16764479556480 has 256 divisors, whose sum is σ = 60822352180800. Its totient is φ = 4361490432000.

The previous prime is 16764479556467. The next prime is 16764479556527. The reversal of 16764479556480 is 8465597446761.

16764479556480 is a `hidden beast` number, since 1 + 6 + 7 + 6 + 4 + 4 + 7 + 95 + 56 + 480 = 666.

16764479556480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 16764479556399 and 16764479556408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11122821 + ... + 12539780.

Almost surely, 2^{16764479556480} is an apocalyptic number.

16764479556480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16764479556480 is an abundant number, since it is smaller than the sum of its proper divisors (44057872624320).

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

16764479556480 is a wasteful number, since it uses less digits than its factorization.

16764479556480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23662670 (or 23662652 counting only the distinct ones).

The product of its (nonzero) digits is 1219276800, while the sum is 72.

The spelling of 16764479556480 in words is "sixteen trillion, seven hundred sixty-four billion, four hundred seventy-nine million, five hundred fifty-six thousand, four hundred eighty".