164570687227 has 8 divisors (see below), whose sum is σ = 165565458576. Its totient is φ = 163578282912.

The previous prime is 164570687221. The next prime is 164570687249. The reversal of 164570687227 is 722786075461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164570687227 - 2²³ = 164562298619 is a prime.

It is a super-2 number, since 2×164570687227² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164570687221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452188 + ... + 730489.

It is an arithmetic number, because the mean of its divisors is an integer number (20695682322).

Almost surely, 2^164570687227 is an apocalyptic number.

164570687227 is a deficient number, since it is larger than the sum of its proper divisors (994771349).

164570687227 is a wasteful number, since it uses less digits than its factorization.

164570687227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183517.

The product of its (nonzero) digits is 7902720, while the sum is 55.

The spelling of 164570687227 in words is "one hundred sixty-four billion, five hundred seventy million, six hundred eighty-seven thousand, two hundred twenty-seven".