107812656 has 60 divisors (see below), whose sum is σ = 344832592. Its totient is φ = 30803328.

The previous prime is 107812619. The next prime is 107812673. The reversal of 107812656 is 656218701.

107812656 = 1820² + 1821² + ... + 1851².

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 107812656.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52471 + ... + 54486.

Almost surely, 2^107812656 is an apocalyptic number.

107812656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

107812656 is an abundant number, since it is smaller than the sum of its proper divisors (237019936).

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

107812656 is a wasteful number, since it uses less digits than its factorization.

107812656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106978 (or 106969 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 107812656 is about 10383.2873407221. The cubic root of 107812656 is about 475.9447950477.

The spelling of 107812656 in words is "one hundred seven million, eight hundred twelve thousand, six hundred fifty-six".