616522225616 has 40 divisors (see below), whose sum is σ = 1303409638944. Its totient is φ = 280171602560.

The previous prime is 616522225609. The next prime is 616522225643.

616522225616 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent 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, 344870 + ... + 1162746.

Almost surely, 2^616522225616 is an apocalyptic number.

It is an amenable number.

616522225616 is an abundant number, since it is smaller than the sum of its proper divisors (686887413328).

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

616522225616 is a wasteful number, since it uses less digits than its factorization.

616522225616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822179 (or 822173 counting only the distinct ones).

The product of its digits is 518400, while the sum is 44.

The spelling of 616522225616 in words is "six hundred sixteen billion, five hundred twenty-two million, two hundred twenty-five thousand, six hundred sixteen".