164460560556665 has 16 divisors (see below), whose sum is σ = 202688776540560. Its totient is φ = 128011124736000.

The previous prime is 164460560556619. The next prime is 164460560556703. The reversal of 164460560556665 is 566655065064461.

164460560556665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 14818088228329 + 149642472328336 = 3849427^2 + 12232844^2 .

It is a de Polignac number, because none of the positive numbers 2^k-164460560556665 is a prime.

It is a super-2 number, since 2×164460560556665² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 11952665 + ... + 21720665.

It is an arithmetic number, because the mean of its divisors is an integer number (12668048533785).

Almost surely, 2^{164460560556665} is an apocalyptic number.

It is an amenable number.

164460560556665 is a deficient number, since it is larger than the sum of its proper divisors (38228215983895).

164460560556665 is an equidigital number, since it uses as much as digits as its factorization.

164460560556665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9859052.

The product of its (nonzero) digits is 466560000, while the sum is 65.

The spelling of 164460560556665 in words is "one hundred sixty-four trillion, four hundred sixty billion, five hundred sixty million, five hundred fifty-six thousand, six hundred sixty-five".