13655951596816 has 15 divisors (see below), whose sum is σ = 26458434858181. Its totient is φ = 6827968407616.

The previous prime is 13655951596759. The next prime is 13655951596867. The reversal of 13655951596816 is 61869515955631.

It is a happy number.

The square root of 13655951596816 is 3695396.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 10585886931216 + 3070064665600 = 3253596^2 + 1752160^2 .

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 14319660 + ... + 15243508.

Almost surely, 2^{13655951596816} is an apocalyptic number.

13655951596816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

13655951596816 is the 3695396-th square number.

It is an amenable number.

13655951596816 is a deficient number, since it is larger than the sum of its proper divisors (12802483261365).

13655951596816 is an frugal number, since it uses more digits than its factorization.

13655951596816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847706 (or 923851 counting only the distinct ones).

The product of its digits is 262440000, while the sum is 70.

The spelling of 13655951596816 in words is "thirteen trillion, six hundred fifty-five billion, nine hundred fifty-one million, five hundred ninety-six thousand, eight hundred sixteen".