167880545 has 16 divisors (see below), whose sum is σ = 230458368. Its totient is φ = 115007040.

The previous prime is 167880541. The next prime is 167880563. The reversal of 167880545 is 545088761.

It is a happy number.

It is not a de Polignac number, because 167880545 - 2² = 167880541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 167880496 and 167880505.

It is not an unprimeable number, because it can be changed into a prime (167880541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53315 + ... + 56375.

It is an arithmetic number, because the mean of its divisors is an integer number (14403648).

Almost surely, 2^167880545 is an apocalyptic number.

It is an amenable number.

167880545 is a deficient number, since it is larger than the sum of its proper divisors (62577823).

167880545 is a wasteful number, since it uses less digits than its factorization.

167880545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4640.

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 167880545 is about 12956.8725007233. The cubic root of 167880545 is about 551.6540235975.

The spelling of 167880545 in words is "one hundred sixty-seven million, eight hundred eighty thousand, five hundred forty-five".