165342226625 has 16 divisors (see below), whose sum is σ = 206514916608. Its totient is φ = 132166206000.

The previous prime is 165342226613. The next prime is 165342226663. The reversal of 165342226625 is 526622243561.

It is not a de Polignac number, because 165342226625 - 2⁸ = 165342226369 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383387 + ... + 691136.

It is an arithmetic number, because the mean of its divisors is an integer number (12907182288).

Almost surely, 2^165342226625 is an apocalyptic number.

It is an amenable number.

165342226625 is a deficient number, since it is larger than the sum of its proper divisors (41172689983).

165342226625 is a wasteful number, since it uses less digits than its factorization.

165342226625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075769 (or 1075759 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 44.

The spelling of 165342226625 in words is "one hundred sixty-five billion, three hundred forty-two million, two hundred twenty-six thousand, six hundred twenty-five".