612656632 has 16 divisors (see below), whose sum is σ = 1312835760. Its totient is φ = 262567104.

The previous prime is 612656623. The next prime is 612656711. The reversal of 612656632 is 236656216.

It is a junction number, because it is equal to n+sod(n) for n = 612656591 and 612656600.

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 3 ways as a sum of consecutive naturals, for example, 5470093 + ... + 5470204.

It is an arithmetic number, because the mean of its divisors is an integer number (82052235).

Almost surely, 2^612656632 is an apocalyptic number.

It is an amenable number.

612656632 is an abundant number, since it is smaller than the sum of its proper divisors (700179128).

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

612656632 is a wasteful number, since it uses less digits than its factorization.

612656632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10940310 (or 10940306 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 612656632 is about 24751.9015835148. The cubic root of 612656632 is about 849.3220116067.

The spelling of 612656632 in words is "six hundred twelve million, six hundred fifty-six thousand, six hundred thirty-two".