167641145 has 8 divisors (see below), whose sum is σ = 229907904. Its totient is φ = 114953904.

The previous prime is 167641139. The next prime is 167641147. The reversal of 167641145 is 541146761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 167641145 - 2²⁴ = 150863929 is a prime.

It is a super-2 number, since 2×167641145² = 56207106993822050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 4789747 = 167641145 / (1 + 6 + 7 + 6 + 4 + 1 + 1 + 4 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (167641147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2394839 + ... + 2394908.

It is an arithmetic number, because the mean of its divisors is an integer number (28738488).

Almost surely, 2^167641145 is an apocalyptic number.

It is an amenable number.

167641145 is a deficient number, since it is larger than the sum of its proper divisors (62266759).

167641145 is an equidigital number, since it uses as much as digits as its factorization.

167641145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4789759.

The product of its digits is 20160, while the sum is 35.

The square root of 167641145 is about 12947.6308643705. The cubic root of 167641145 is about 551.3916767425.

The spelling of 167641145 in words is "one hundred sixty-seven million, six hundred forty-one thousand, one hundred forty-five".