13361216620 has 24 divisors (see below), whose sum is σ = 28272747888. Its totient is φ = 5303688000.

The previous prime is 13361216611. The next prime is 13361216633. The reversal of 13361216620 is 2661216331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2547231 + ... + 2552470.

It is an arithmetic number, because the mean of its divisors is an integer number (1178031162).

Almost surely, 2^13361216620 is an apocalyptic number.

13361216620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13361216620 is an abundant number, since it is smaller than the sum of its proper divisors (14911531268).

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

13361216620 is a wasteful number, since it uses less digits than its factorization.

13361216620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5099841 (or 5099839 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 13361216620 in words is "thirteen billion, three hundred sixty-one million, two hundred sixteen thousand, six hundred twenty".