612805277616 has 40 divisors (see below), whose sum is σ = 1809234630144. Its totient is φ = 175087222080.

The previous prime is 612805277597. The next prime is 612805277621. The reversal of 612805277616 is 616772508216.

612805277616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911912280 + ... + 911912951.

Almost surely, 2^612805277616 is an apocalyptic number.

It is an amenable number.

612805277616 is an abundant number, since it is smaller than the sum of its proper divisors (1196429352528).

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

612805277616 is a wasteful number, since it uses less digits than its factorization.

612805277616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823825249 (or 1823825243 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 612805277616 in words is "six hundred twelve billion, eight hundred five million, two hundred seventy-seven thousand, six hundred sixteen".