616804225026 has 16 divisors (see below), whose sum is σ = 1345754672928. Its totient is φ = 186910371200.

The previous prime is 616804224937. The next prime is 616804225031. The reversal of 616804225026 is 620522408616.

It is a happy number.

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, 4672759215 + ... + 4672759346.

It is an arithmetic number, because the mean of its divisors is an integer number (84109667058).

Almost surely, 2^616804225026 is an apocalyptic number.

616804225026 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

616804225026 is an abundant number, since it is smaller than the sum of its proper divisors (728950447902).

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

616804225026 is a wasteful number, since it uses less digits than its factorization.

616804225026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9345518577.

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 616804225026 in words is "six hundred sixteen billion, eight hundred four million, two hundred twenty-five thousand, twenty-six".