165312606102 has 64 divisors (see below), whose sum is σ = 384374108160. Its totient is φ = 46418052384.

The previous prime is 165312606091. The next prime is 165312606203. The reversal of 165312606102 is 201606213561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10952653 + ... + 10967735.

It is an arithmetic number, because the mean of its divisors is an integer number (6005845440).

Almost surely, 2^165312606102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165312606102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192187054080).

165312606102 is an abundant number, since it is smaller than the sum of its proper divisors (219061502058).

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

165312606102 is a wasteful number, since it uses less digits than its factorization.

165312606102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19577.

The product of its (nonzero) digits is 12960, while the sum is 33.

Adding to 165312606102 its reverse (201606213561), we get a palindrome (366918819663).

The spelling of 165312606102 in words is "one hundred sixty-five billion, three hundred twelve million, six hundred six thousand, one hundred two".