612605218016 has 24 divisors (see below), whose sum is σ = 1315708934904. Its totient is φ = 278456917120.

The previous prime is 612605217947. The next prime is 612605218031. The reversal of 612605218016 is 610812506216.

It is a happy number.

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, 870177515 + ... + 870178218.

It is an arithmetic number, because the mean of its divisors is an integer number (54821205621).

Almost surely, 2^612605218016 is an apocalyptic number.

It is an amenable number.

612605218016 is an abundant number, since it is smaller than the sum of its proper divisors (703103716888).

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

612605218016 is a wasteful number, since it uses less digits than its factorization.

612605218016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740355754 (or 1740355746 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 612605218016 in words is "six hundred twelve billion, six hundred five million, two hundred eighteen thousand, sixteen".