12164351634 has 16 divisors (see below), whose sum is σ = 27031892640. Its totient is φ = 4054783860.

The previous prime is 12164351597. The next prime is 12164351651. The reversal of 12164351634 is 43615346121.

12164351634 is a `hidden beast` number, since 1 + 2 + 1 + 643 + 5 + 1 + 6 + 3 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112632832 + ... + 112632939.

It is an arithmetic number, because the mean of its divisors is an integer number (1689493290).

Almost surely, 2^12164351634 is an apocalyptic number.

12164351634 is an abundant number, since it is smaller than the sum of its proper divisors (14867541006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12164351634 is a wasteful number, since it uses less digits than its factorization.

12164351634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225265782 (or 225265776 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

Adding to 12164351634 its reverse (43615346121), we get a palindrome (55779697755).

The spelling of 12164351634 in words is "twelve billion, one hundred sixty-four million, three hundred fifty-one thousand, six hundred thirty-four".