13366536480 has 576 divisors, whose sum is σ = 54684564480. Its totient is φ = 2934835200.

The previous prime is 13366536451. The next prime is 13366536493. The reversal of 13366536480 is 8463566331.

13366536480 is a `hidden beast` number, since 1 + 3 + 36 + 6 + 536 + 4 + 80 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6921115 + ... + 6923045.

It is an arithmetic number, because the mean of its divisors is an integer number (94938480).

Almost surely, 2^13366536480 is an apocalyptic number.

13366536480 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 13366536480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27342282240).

13366536480 is an abundant number, since it is smaller than the sum of its proper divisors (41318028000).

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

13366536480 is a wasteful number, since it uses less digits than its factorization.

13366536480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005 (or 1994 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 13366536480 in words is "thirteen billion, three hundred sixty-six million, five hundred thirty-six thousand, four hundred eighty".