165565565202 has 16 divisors (see below), whose sum is σ = 331166684160. Its totient is φ = 55182596112.

The previous prime is 165565565201. The next prime is 165565565219. The reversal of 165565565202 is 202565565561.

It is not an unprimeable number, because it can be changed into a prime (165565565201) 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, 1420677 + ... + 1532792.

It is an arithmetic number, because the mean of its divisors is an integer number (20697917760).

Almost surely, 2^165565565202 is an apocalyptic number.

165565565202 is an abundant number, since it is smaller than the sum of its proper divisors (165601118958).

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

165565565202 is a wasteful number, since it uses less digits than its factorization.

165565565202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2962817.

The product of its (nonzero) digits is 2700000, while the sum is 48.

The spelling of 165565565202 in words is "one hundred sixty-five billion, five hundred sixty-five million, five hundred sixty-five thousand, two hundred two".