164003425161 has 16 divisors (see below), whose sum is σ = 230229565440. Its totient is φ = 103558916880.

The previous prime is 164003425153. The next prime is 164003425177. The reversal of 164003425161 is 161524300461.

It is not a de Polignac number, because 164003425161 - 2³ = 164003425153 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164003426161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37825 + ... + 573966.

It is an arithmetic number, because the mean of its divisors is an integer number (14389347840).

Almost surely, 2^164003425161 is an apocalyptic number.

It is an amenable number.

164003425161 is a deficient number, since it is larger than the sum of its proper divisors (66226140279).

164003425161 is a wasteful number, since it uses less digits than its factorization.

164003425161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616516.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 164003425161 in words is "one hundred sixty-four billion, three million, four hundred twenty-five thousand, one hundred sixty-one".