164011250522215 has 16 divisors (see below), whose sum is σ = 203649198652800. Its totient is φ = 126654047315712.

The previous prime is 164011250522191. The next prime is 164011250522479. The reversal of 164011250522215 is 512225052110461.

It is a cyclic number.

It is not a de Polignac number, because 164011250522215 - 2¹¹ = 164011250520167 is a prime.

It is a super-2 number, since 2×164011250522215² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135577935 + ... + 136782304.

It is an arithmetic number, because the mean of its divisors is an integer number (12728074915800).

Almost surely, 2^{164011250522215} is an apocalyptic number.

164011250522215 is a deficient number, since it is larger than the sum of its proper divisors (39637948130585).

164011250522215 is a wasteful number, since it uses less digits than its factorization.

164011250522215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272364426.

The product of its (nonzero) digits is 48000, while the sum is 37.

The spelling of 164011250522215 in words is "one hundred sixty-four trillion, eleven billion, two hundred fifty million, five hundred twenty-two thousand, two hundred fifteen".