612996981716 has 24 divisors (see below), whose sum is σ = 1251014251200. Its totient is φ = 262712991576.

The previous prime is 612996981697. The next prime is 612996981767. The reversal of 612996981716 is 617189699216.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223394030 + ... + 223396773.

It is an arithmetic number, because the mean of its divisors is an integer number (52125593800).

Almost surely, 2^612996981716 is an apocalyptic number.

It is an amenable number.

612996981716 is an abundant number, since it is smaller than the sum of its proper divisors (638017269484).

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

612996981716 is a wasteful number, since it uses less digits than its factorization.

612996981716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446790828 (or 446790812 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 65.

The spelling of 612996981716 in words is "six hundred twelve billion, nine hundred ninety-six million, nine hundred eighty-one thousand, seven hundred sixteen".