13601116620 has 720 divisors, whose sum is σ = 54282590208. Its totient is φ = 2790028800.

The previous prime is 13601116619. The next prime is 13601116637. The reversal of 13601116620 is 2661110631.

13601116620 is a `hidden beast` number, since 1 + 36 + 0 + 1 + 1 + 1 + 6 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 90073545 + ... + 90073695.

Almost surely, 2^13601116620 is an apocalyptic number.

13601116620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13601116620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27141295104).

13601116620 is an abundant number, since it is smaller than the sum of its proper divisors (40681473588).

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

13601116620 is a wasteful number, since it uses less digits than its factorization.

13601116620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 13601116620 in words is "thirteen billion, six hundred one million, one hundred sixteen thousand, six hundred twenty".