6637479879360 has 224 divisors, whose sum is σ = 23036657105664. Its totient is φ = 1605807616000.

The previous prime is 6637479879347. The next prime is 6637479879413. The reversal of 6637479879360 is 639789747366.

It is a super-2 number, since 2×6637479879360² (a number of 26 digits) contains 22 as substring.

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, 4544890 + ... + 5825030.

Almost surely, 2^{6637479879360} is an apocalyptic number.

6637479879360 is a gapful number since it is divisible by the number (60) 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 6637479879360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11518328552832).

6637479879360 is an abundant number, since it is smaller than the sum of its proper divisors (16399177226304).

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

6637479879360 is a wasteful number, since it uses less digits than its factorization.

6637479879360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280663 (or 1280653 counting only the distinct ones).

The product of its (nonzero) digits is 1728324864, while the sum is 75.

The spelling of 6637479879360 in words is "six trillion, six hundred thirty-seven billion, four hundred seventy-nine million, eight hundred seventy-nine thousand, three hundred sixty".