164707556215 has 16 divisors (see below), whose sum is σ = 198946096128. Its totient is φ = 130902047136.

The previous prime is 164707556207. The next prime is 164707556257. The reversal of 164707556215 is 512655707461.

It is a cyclic number.

It is not a de Polignac number, because 164707556215 - 2³ = 164707556207 is a prime.

It is a Duffinian number.

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, 1933042 + ... + 2016448.

It is an arithmetic number, because the mean of its divisors is an integer number (12434131008).

Almost surely, 2^164707556215 is an apocalyptic number.

164707556215 is a deficient number, since it is larger than the sum of its proper divisors (34238539913).

164707556215 is a wasteful number, since it uses less digits than its factorization.

164707556215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85998.

The product of its (nonzero) digits is 1764000, while the sum is 49.

The spelling of 164707556215 in words is "one hundred sixty-four billion, seven hundred seven million, five hundred fifty-six thousand, two hundred fifteen".