612656332 has 6 divisors (see below), whose sum is σ = 1072148588. Its totient is φ = 306328164.

The previous prime is 612656299. The next prime is 612656333. The reversal of 612656332 is 233656216.

It is a super-2 number, since 2×612656332² = 750695562279388448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (612656333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76582038 + ... + 76582045.

Almost surely, 2^612656332 is an apocalyptic number.

It is an amenable number.

612656332 is a deficient number, since it is larger than the sum of its proper divisors (459492256).

612656332 is a wasteful number, since it uses less digits than its factorization.

612656332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153164087 (or 153164085 counting only the distinct ones).

The product of its digits is 38880, while the sum is 34.

The square root of 612656332 is about 24751.8955233736. The cubic root of 612656332 is about 849.3218729773.

The spelling of 612656332 in words is "six hundred twelve million, six hundred fifty-six thousand, three hundred thirty-two".