652172167202 has 16 divisors (see below), whose sum is σ = 978712119000. Its totient is φ = 325934837760.

The previous prime is 652172167201. The next prime is 652172167217. The reversal of 652172167202 is 202761271256.

It can be written as a sum of positive squares in 4 ways, for example, as 626296549321 + 25875617881 = 791389^2 + 160859^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 652172167202.

It is not an unprimeable number, because it can be changed into a prime (652172167201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73695674 + ... + 73704522.

Almost surely, 2^652172167202 is an apocalyptic number.

652172167202 is a deficient number, since it is larger than the sum of its proper divisors (326539951798).

652172167202 is a wasteful number, since it uses less digits than its factorization.

652172167202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21781.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 652172167202 in words is "six hundred fifty-two billion, one hundred seventy-two million, one hundred sixty-seven thousand, two hundred two".