111668620 has 24 divisors (see below), whose sum is σ = 268005024. Its totient is φ = 38286336.

The previous prime is 111668539. The next prime is 111668653. The reversal of 111668620 is 26866111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398677 + ... + 398956.

It is an arithmetic number, because the mean of its divisors is an integer number (11166876).

Almost surely, 2^111668620 is an apocalyptic number.

111668620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111668620 is an abundant number, since it is smaller than the sum of its proper divisors (156336404).

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

111668620 is a wasteful number, since it uses less digits than its factorization.

111668620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797649 (or 797647 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 111668620 is about 10567.3374129910. The cubic root of 111668620 is about 481.5525826374.

The spelling of 111668620 in words is "one hundred eleven million, six hundred sixty-eight thousand, six hundred twenty".