165526347738 has 16 divisors (see below), whose sum is σ = 340000066080. Its totient is φ = 53684220816.

The previous prime is 165526347719. The next prime is 165526347739. The reversal of 165526347738 is 837743625561.

It is not an unprimeable number, because it can be changed into a prime (165526347739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372806868 + ... + 372807311.

It is an arithmetic number, because the mean of its divisors is an integer number (21250004130).

Almost surely, 2^165526347738 is an apocalyptic number.

165526347738 is an abundant number, since it is smaller than the sum of its proper divisors (174473718342).

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

165526347738 is a wasteful number, since it uses less digits than its factorization.

165526347738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745614221.

The product of its digits is 25401600, while the sum is 57.

The spelling of 165526347738 in words is "one hundred sixty-five billion, five hundred twenty-six million, three hundred forty-seven thousand, seven hundred thirty-eight".