612660536 has 16 divisors (see below), whose sum is σ = 1160582640. Its totient is φ = 303171840.

The previous prime is 612660527. The next prime is 612660571. The reversal of 612660536 is 635066216.

It is a junction number, because it is equal to n+sod(n) for n = 612660496 and 612660505.

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, 393980 + ... + 395531.

It is an arithmetic number, because the mean of its divisors is an integer number (72536415).

Almost surely, 2^612660536 is an apocalyptic number.

It is an amenable number.

612660536 is a deficient number, since it is larger than the sum of its proper divisors (547922104).

612660536 is a wasteful number, since it uses less digits than its factorization.

612660536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789614 (or 789610 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 612660536 is about 24751.9804460168. The cubic root of 612660536 is about 849.3238156331.

The spelling of 612660536 in words is "six hundred twelve million, six hundred sixty thousand, five hundred thirty-six".