13564620016 has 10 divisors (see below), whose sum is σ = 26281451312. Its totient is φ = 6782310000.

The previous prime is 13564620007. The next prime is 13564620067. The reversal of 13564620016 is 61002646531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423894360 + ... + 423894391.

Almost surely, 2^13564620016 is an apocalyptic number.

13564620016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13564620016 is a deficient number, since it is larger than the sum of its proper divisors (12716831296).

13564620016 is an equidigital number, since it uses as much as digits as its factorization.

13564620016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847788759 (or 847788753 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 13564620016 in words is "thirteen billion, five hundred sixty-four million, six hundred twenty thousand, sixteen".