167696145 has 12 divisors (see below), whose sum is σ = 290673396. Its totient is φ = 89437920.

The previous prime is 167696131. The next prime is 167696149. The reversal of 167696145 is 541696761.

It can be written as a sum of positive squares in 2 ways, for example, as 131262849 + 36433296 = 11457^2 + 6036^2 .

It is not a de Polignac number, because 167696145 - 2⁴ = 167696129 is a prime.

It is a super-2 number, since 2×167696145² = 56243994095722050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 3726581 = 167696145 / (1 + 6 + 7 + 6 + 9 + 6 + 1 + 4 + 5).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 167696145.

It is not an unprimeable number, because it can be changed into a prime (167696149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1863246 + ... + 1863335.

It is an arithmetic number, because the mean of its divisors is an integer number (24222783).

Almost surely, 2^167696145 is an apocalyptic number.

167696145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

167696145 is a deficient number, since it is larger than the sum of its proper divisors (122977251).

167696145 is a wasteful number, since it uses less digits than its factorization.

167696145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3726592 (or 3726589 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 167696145 is about 12949.7546308801. The cubic root of 167696145 is about 551.4519706643.

The spelling of 167696145 in words is "one hundred sixty-seven million, six hundred ninety-six thousand, one hundred forty-five".