1012662656 has 32 divisors (see below), whose sum is σ = 2047541880. Its totient is φ = 498769920.

The previous prime is 1012662641. The next prime is 1012662661. The reversal of 1012662656 is 6562662101.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50465 + ... + 67616.

Almost surely, 2^1012662656 is an apocalyptic number.

1012662656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1012662656 is an abundant number, since it is smaller than the sum of its proper divisors (1034879224).

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

1012662656 is an equidigital number, since it uses as much as digits as its factorization.

1012662656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118162 (or 118150 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 1012662656 is about 31822.3609432110. The cubic root of 1012662656 is about 1004.2031937433.

The spelling of 1012662656 in words is "one billion, twelve million, six hundred sixty-two thousand, six hundred fifty-six".