13132633664 has 56 divisors (see below), whose sum is σ = 26964607488. Its totient is φ = 6339409920.

The previous prime is 13132633663. The next prime is 13132633691. The reversal of 13132633664 is 46633623131.

It is not an unprimeable number, because it can be changed into a prime (13132633663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 851429 + ... + 866715.

It is an arithmetic number, because the mean of its divisors is an integer number (481510848).

Almost surely, 2^13132633664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13132633664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13482303744).

13132633664 is an abundant number, since it is smaller than the sum of its proper divisors (13831973824).

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

13132633664 is a wasteful number, since it uses less digits than its factorization.

13132633664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15763 (or 15753 counting only the distinct ones).

The product of its digits is 139968, while the sum is 38.

The spelling of 13132633664 in words is "thirteen billion, one hundred thirty-two million, six hundred thirty-three thousand, six hundred sixty-four".