13616451630 has 48 divisors (see below), whose sum is σ = 35767774224. Its totient is φ = 3593617920.

The previous prime is 13616451623. The next prime is 13616451661. The reversal of 13616451630 is 3615461631.

13616451630 is a `hidden beast` number, since 1 + 3 + 6 + 1 + 645 + 1 + 6 + 3 + 0 = 666.

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, 771136 + ... + 788595.

It is an arithmetic number, because the mean of its divisors is an integer number (745161963).

Almost surely, 2^13616451630 is an apocalyptic number.

13616451630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13616451630 is an abundant number, since it is smaller than the sum of its proper divisors (22151322594).

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

13616451630 is a wasteful number, since it uses less digits than its factorization.

13616451630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559841 (or 1559838 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 13616451630 in words is "thirteen billion, six hundred sixteen million, four hundred fifty-one thousand, six hundred thirty".