13455233664 has 64 divisors (see below), whose sum is σ = 35873604000. Its totient is φ = 4468370432.

The previous prime is 13455233651. The next prime is 13455233677. The reversal of 13455233664 is 46633255431.

It is an interprime number because it is at equal distance from previous prime (13455233651) and next prime (13455233677).

It is a tau number, because it is divible by the number of its divisors (64).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 38167 + ... + 168425.

Almost surely, 2^13455233664 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 13455233664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17936802000).

13455233664 is an abundant number, since it is smaller than the sum of its proper divisors (22418370336).

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

13455233664 is a wasteful number, since it uses less digits than its factorization.

13455233664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130545 (or 130533 counting only the distinct ones).

The product of its digits is 777600, while the sum is 42.

The spelling of 13455233664 in words is "thirteen billion, four hundred fifty-five million, two hundred thirty-three thousand, six hundred sixty-four".