13646106612 has 60 divisors (see below), whose sum is σ = 35684635140. Its totient is φ = 4547297664.

The previous prime is 13646106599. The next prime is 13646106647. The reversal of 13646106612 is 21660164631.

It is a happy number.

13646106612 is a `hidden beast` number, since 1 + 3 + 646 + 1 + 0 + 6 + 6 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5860514916 + 7785591696 = 76554^2 + 88236^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1969378 + ... + 1976294.

It is an arithmetic number, because the mean of its divisors is an integer number (594743919).

Almost surely, 2^13646106612 is an apocalyptic number.

13646106612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13646106612 is an abundant number, since it is smaller than the sum of its proper divisors (22038528528).

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

13646106612 is a wasteful number, since it uses less digits than its factorization.

13646106612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13022 (or 13011 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 13646106612 in words is "thirteen billion, six hundred forty-six million, one hundred six thousand, six hundred twelve".