156353500161 has 6 divisors (see below), whose sum is σ = 225843944690. Its totient is φ = 104235666768.

The previous prime is 156353500151. The next prime is 156353500169. The reversal of 156353500161 is 161005353651.

156353500161 is a `hidden beast` number, since 1 + 5 + 63 + 535 + 0 + 0 + 1 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 133648736400 + 22704763761 = 365580^2 + 150681^2 .

It is not a de Polignac number, because 156353500161 - 2¹³ = 156353491969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (156353500169) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8686305556 + ... + 8686305573.

Almost surely, 2^156353500161 is an apocalyptic number.

It is an amenable number.

156353500161 is a deficient number, since it is larger than the sum of its proper divisors (69490444529).

156353500161 is a wasteful number, since it uses less digits than its factorization.

156353500161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17372611135 (or 17372611132 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The spelling of 156353500161 in words is "one hundred fifty-six billion, three hundred fifty-three million, five hundred thousand, one hundred sixty-one".