612402020616 has 16 divisors (see below), whose sum is σ = 1531005051600. Its totient is φ = 204134006864.

The previous prime is 612402020591. The next prime is 612402020623. The reversal of 612402020616 is 616020204216.

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, 12758375406 + ... + 12758375453.

It is an arithmetic number, because the mean of its divisors is an integer number (95687815725).

Almost surely, 2^612402020616 is an apocalyptic number.

It is an amenable number.

612402020616 is an abundant number, since it is smaller than the sum of its proper divisors (918603030984).

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

612402020616 is a wasteful number, since it uses less digits than its factorization.

612402020616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25516750868 (or 25516750864 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 612402020616 in words is "six hundred twelve billion, four hundred two million, twenty thousand, six hundred sixteen".