118786221656 has 16 divisors (see below), whose sum is σ = 222896705640. Its totient is φ = 59347100160.

The previous prime is 118786221601. The next prime is 118786221667. The reversal of 118786221656 is 656122687811.

It is a super-2 number, since 2×118786221656² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 118786221598 and 118786221607.

It is a congruent number.

It is an unprimeable number.

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, 5740361 + ... + 5761016.

Almost surely, 2^118786221656 is an apocalyptic number.

It is an amenable number.

118786221656 is a deficient number, since it is larger than the sum of its proper divisors (104110483984).

118786221656 is a wasteful number, since it uses less digits than its factorization.

118786221656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11502674 (or 11502670 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 53.

The spelling of 118786221656 in words is "one hundred eighteen billion, seven hundred eighty-six million, two hundred twenty-one thousand, six hundred fifty-six".