13164531536 has 40 divisors (see below), whose sum is σ = 29084091624. Its totient is φ = 5718528000.

The previous prime is 13164531529. The next prime is 13164531547. The reversal of 13164531536 is 63513546131.

It can be written as a sum of positive squares in 4 ways, for example, as 647397136 + 12517134400 = 25444^2 + 111880^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13164531536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1857965 + ... + 1865036.

Almost surely, 2^13164531536 is an apocalyptic number.

13164531536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13164531536 is an abundant number, since it is smaller than the sum of its proper divisors (15919560088).

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

13164531536 is a wasteful number, since it uses less digits than its factorization.

13164531536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3723039 (or 3723033 counting only the distinct ones).

The product of its digits is 97200, while the sum is 38.

The spelling of 13164531536 in words is "thirteen billion, one hundred sixty-four million, five hundred thirty-one thousand, five hundred thirty-six".