118598491656 has 64 divisors (see below), whose sum is σ = 333953179200. Its totient is φ = 38991279744.

The previous prime is 118598491631. The next prime is 118598491667. The reversal of 118598491656 is 656194895811.

118598491656 is a `hidden beast` number, since 1 + 1 + 8 + 5 + 98 + 491 + 6 + 56 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 118598491593 and 118598491602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3744966 + ... + 3776501.

It is an arithmetic number, because the mean of its divisors is an integer number (5218018425).

Almost surely, 2^118598491656 is an apocalyptic number.

It is an amenable number.

118598491656 is an abundant number, since it is smaller than the sum of its proper divisors (215354687544).

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

118598491656 is a wasteful number, since it uses less digits than its factorization.

118598491656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7521555 (or 7521545 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 63.

The spelling of 118598491656 in words is "one hundred eighteen billion, five hundred ninety-eight million, four hundred ninety-one thousand, six hundred fifty-six".