612244442216 has 16 divisors (see below), whose sum is σ = 1252318177440. Its totient is φ = 278292928240.

The previous prime is 612244442197. The next prime is 612244442221.

612244442216 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 612244442216.

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, 3478661516 + ... + 3478661691.

It is an arithmetic number, because the mean of its divisors is an integer number (78269886090).

Almost surely, 2^612244442216 is an apocalyptic number.

It is an amenable number.

612244442216 is an abundant number, since it is smaller than the sum of its proper divisors (640073735224).

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

612244442216 is a wasteful number, since it uses less digits than its factorization.

612244442216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6957323224 (or 6957323220 counting only the distinct ones).

The product of its digits is 147456, while the sum is 38.

The spelling of 612244442216 in words is "six hundred twelve billion, two hundred forty-four million, four hundred forty-two thousand, two hundred sixteen".