165153203134 has 16 divisors (see below), whose sum is σ = 262309773600. Its totient is φ = 77716894464.

The previous prime is 165153203119. The next prime is 165153203153. The reversal of 165153203134 is 431302351561.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 165153203134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1972087 + ... + 2054125.

It is an arithmetic number, because the mean of its divisors is an integer number (16394360850).

Almost surely, 2^165153203134 is an apocalyptic number.

165153203134 is a deficient number, since it is larger than the sum of its proper divisors (97156570466).

165153203134 is a wasteful number, since it uses less digits than its factorization.

165153203134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141267.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 165153203134 its reverse (431302351561), we get a palindrome (596455554695).

The spelling of 165153203134 in words is "one hundred sixty-five billion, one hundred fifty-three million, two hundred three thousand, one hundred thirty-four".