13361664960 has 672 divisors, whose sum is σ = 56380806720. Its totient is φ = 2968068096.

The previous prime is 13361664941. The next prime is 13361664961. The reversal of 13361664960 is 6946616331.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13361664961) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15663894 + ... + 15664746.

It is an arithmetic number, because the mean of its divisors is an integer number (83900010).

Almost surely, 2^13361664960 is an apocalyptic number.

13361664960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13361664960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28190403360).

13361664960 is an abundant number, since it is smaller than the sum of its proper divisors (43019141760).

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

13361664960 is a wasteful number, since it uses less digits than its factorization.

13361664960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The spelling of 13361664960 in words is "thirteen billion, three hundred sixty-one million, six hundred sixty-four thousand, nine hundred sixty".