612426656 has 24 divisors (see below), whose sum is σ = 1211442624. Its totient is φ = 304758720.

The previous prime is 612426653. The next prime is 612426671. The reversal of 612426656 is 656624216.

It is not an unprimeable number, because it can be changed into a prime (612426653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38600 + ... + 52103.

It is an arithmetic number, because the mean of its divisors is an integer number (50476776).

Almost surely, 2^612426656 is an apocalyptic number.

It is an amenable number.

612426656 is a deficient number, since it is larger than the sum of its proper divisors (599015968).

612426656 is a wasteful number, since it uses less digits than its factorization.

612426656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90924 (or 90916 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 612426656 is about 24747.2555246031. The cubic root of 612426656 is about 849.2157268823.

The spelling of 612426656 in words is "six hundred twelve million, four hundred twenty-six thousand, six hundred fifty-six".