111904664405616 has 100 divisors (see below), whose sum is σ = 326434837603072. Its totient is φ = 37007841717504.

The previous prime is 111904664405603. The next prime is 111904664405621. The reversal of 111904664405616 is 616504466409111.

It is a happy number.

111904664405616 is a `hidden beast` number, since 1 + 1 + 1 + 90 + 4 + 66 + 440 + 56 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 339781045 + ... + 340110228.

Almost surely, 2^{111904664405616} is an apocalyptic number.

111904664405616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

111904664405616 is an abundant number, since it is smaller than the sum of its proper divisors (214530173197456).

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

111904664405616 is a wasteful number, since it uses less digits than its factorization.

111904664405616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679891420 (or 679891405 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 111904664405616 in words is "one hundred eleven trillion, nine hundred four billion, six hundred sixty-four million, four hundred five thousand, six hundred sixteen".