612065560 has 16 divisors (see below), whose sum is σ = 1377147600. Its totient is φ = 244826208.

The previous prime is 612065533. The next prime is 612065579. The reversal of 612065560 is 65560216.

It is a super-2 number, since 2×612065560² = 749248499476227200, which contains 22 as substring.

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, 7650780 + ... + 7650859.

It is an arithmetic number, because the mean of its divisors is an integer number (86071725).

Almost surely, 2^612065560 is an apocalyptic number.

It is an amenable number.

612065560 is an abundant number, since it is smaller than the sum of its proper divisors (765082040).

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

612065560 is a wasteful number, since it uses less digits than its factorization.

612065560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15301650 (or 15301646 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 612065560 is about 24739.9587711863. The cubic root of 612065560 is about 849.0487905986.

It can be divided in two parts, 61206 and 5560, that added together give a palindrome (66766).

The spelling of 612065560 in words is "six hundred twelve million, sixty-five thousand, five hundred sixty".