130579665856 has 28 divisors (see below), whose sum is σ = 259545986368. Its totient is φ = 65182252032.

The previous prime is 130579665851. The next prime is 130579665899. The reversal of 130579665856 is 658566975031.

It is a super-2 number, since 2×130579665856² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130579665794 and 130579665803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130579665851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1641801 + ... + 1719496.

Almost surely, 2^130579665856 is an apocalyptic number.

130579665856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

130579665856 is a deficient number, since it is larger than the sum of its proper divisors (128966320512).

130579665856 is an equidigital number, since it uses as much as digits as its factorization.

130579665856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361916 (or 3361906 counting only the distinct ones).

The product of its (nonzero) digits is 40824000, while the sum is 61.

The spelling of 130579665856 in words is "one hundred thirty billion, five hundred seventy-nine million, six hundred sixty-five thousand, eight hundred fifty-six".