612874646516 has 12 divisors (see below), whose sum is σ = 1170033416160. Its totient is φ = 278579384760.

The previous prime is 612874646513. The next prime is 612874646557. The reversal of 612874646516 is 615646478216.

It is a happy number.

It is a super-2 number, since 2×612874646516² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612874646513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6964484576 + ... + 6964484663.

It is an arithmetic number, because the mean of its divisors is an integer number (97502784680).

Almost surely, 2^612874646516 is an apocalyptic number.

It is an amenable number.

612874646516 is a deficient number, since it is larger than the sum of its proper divisors (557158769644).

612874646516 is a wasteful number, since it uses less digits than its factorization.

612874646516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13928969254 (or 13928969252 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 56.

The spelling of 612874646516 in words is "six hundred twelve billion, eight hundred seventy-four million, six hundred forty-six thousand, five hundred sixteen".