165225025202 has 32 divisors (see below), whose sum is σ = 261496945920. Its totient is φ = 78080118480.

The previous prime is 165225025129. The next prime is 165225025211. The reversal of 165225025202 is 202520522561.

165225025202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 38938493 + ... + 38942735.

It is an arithmetic number, because the mean of its divisors is an integer number (8171779560).

Almost surely, 2^165225025202 is an apocalyptic number.

165225025202 is a deficient number, since it is larger than the sum of its proper divisors (96271920718).

165225025202 is a wasteful number, since it uses less digits than its factorization.

165225025202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6438.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 165225025202 its reverse (202520522561), we get a palindrome (367745547763).

The spelling of 165225025202 in words is "one hundred sixty-five billion, two hundred twenty-five million, twenty-five thousand, two hundred two".