612112564 has 24 divisors (see below), whose sum is σ = 1228230080. Its totient is φ = 261475776.

The previous prime is 612112549. The next prime is 612112597. The reversal of 612112564 is 465211216.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 27009 + ... + 44200.

Almost surely, 2^612112564 is an apocalyptic number.

It is an amenable number.

612112564 is an abundant number, since it is smaller than the sum of its proper divisors (616117516).

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

612112564 is a wasteful number, since it uses less digits than its factorization.

612112564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71527 (or 71525 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 612112564 is about 24740.9087141115. The cubic root of 612112564 is about 849.0705244728.

The spelling of 612112564 in words is "six hundred twelve million, one hundred twelve thousand, five hundred sixty-four".