13213634616 has 96 divisors (see below), whose sum is σ = 44045470560. Its totient is φ = 3484912896.

The previous prime is 13213634593. The next prime is 13213634639. The reversal of 13213634616 is 61643631231.

13213634616 is a `hidden beast` number, since 1 + 3 + 2 + 1 + 3 + 6 + 34 + 616 = 666.

It is an interprime number because it is at equal distance from previous prime (13213634593) and next prime (13213634639).

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1001815 + ... + 1014918.

It is an arithmetic number, because the mean of its divisors is an integer number (458806985).

Almost surely, 2^13213634616 is an apocalyptic number.

It is an amenable number.

13213634616 is an abundant number, since it is smaller than the sum of its proper divisors (30831835944).

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

13213634616 is a wasteful number, since it uses less digits than its factorization.

13213634616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016765 (or 2016758 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The spelling of 13213634616 in words is "thirteen billion, two hundred thirteen million, six hundred thirty-four thousand, six hundred sixteen".