164696806631 has 32 divisors (see below), whose sum is σ = 196945190400. Its totient is φ = 137626207488.

The previous prime is 164696806607. The next prime is 164696806649. The reversal of 164696806631 is 136608696461.

It is not a de Polignac number, because 164696806631 - 2⁶ = 164696806567 is a prime.

It is a super-2 number, since 2×164696806631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164696805631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2192216 + ... + 2266098.

It is an arithmetic number, because the mean of its divisors is an integer number (6154537200).

Almost surely, 2^164696806631 is an apocalyptic number.

164696806631 is a deficient number, since it is larger than the sum of its proper divisors (32248383769).

164696806631 is an frugal number, since it uses more digits than its factorization.

164696806631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74068 (or 74054 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 56.

The spelling of 164696806631 in words is "one hundred sixty-four billion, six hundred ninety-six million, eight hundred six thousand, six hundred thirty-one".