164555565352 has 16 divisors (see below), whose sum is σ = 308564916660. Its totient is φ = 82271587584.

The previous prime is 164555565337. The next prime is 164555565353. The reversal of 164555565352 is 253565555461.

It can be written as a sum of positive squares in 2 ways, for example, as 163534507236 + 1021058116 = 404394^2 + 31954^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 164555565352.

It is not an unprimeable number, because it can be changed into a prime (164555565353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660513 + ... + 874864.

Almost surely, 2^164555565352 is an apocalyptic number.

It is an amenable number.

164555565352 is a deficient number, since it is larger than the sum of its proper divisors (144009351308).

164555565352 is a wasteful number, since it uses less digits than its factorization.

164555565352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548780 (or 1548776 counting only the distinct ones).

The product of its digits is 13500000, while the sum is 52.

The spelling of 164555565352 in words is "one hundred sixty-four billion, five hundred fifty-five million, five hundred sixty-five thousand, three hundred fifty-two".