165730807158 has 32 divisors (see below), whose sum is σ = 385023333120. Its totient is φ = 46575401760.

The previous prime is 165730807157. The next prime is 165730807183. The reversal of 165730807158 is 851708037561.

It is a self number, because there is not a number n which added to its sum of digits gives 165730807158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165730807157) 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, 32341468 + ... + 32346591.

It is an arithmetic number, because the mean of its divisors is an integer number (12031979160).

Almost surely, 2^165730807158 is an apocalyptic number.

165730807158 is an abundant number, since it is smaller than the sum of its proper divisors (219292525962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165730807158 is a wasteful number, since it uses less digits than its factorization.

165730807158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64688132.

The product of its (nonzero) digits is 1411200, while the sum is 51.

The spelling of 165730807158 in words is "one hundred sixty-five billion, seven hundred thirty million, eight hundred seven thousand, one hundred fifty-eight".