616501672407 has 12 divisors (see below), whose sum is σ = 890509243624. Its totient is φ = 410997963600.

The previous prime is 616501672363. The next prime is 616501672429. The reversal of 616501672407 is 704276105616.

616501672407 is a `hidden beast` number, since 6 + 165 + 0 + 16 + 72 + 407 = 666.

It is not a de Polignac number, because 616501672407 - 2²⁰ = 616500623831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616501672477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2027373 + ... + 2311545.

Almost surely, 2^616501672407 is an apocalyptic number.

616501672407 is a deficient number, since it is larger than the sum of its proper divisors (274007571217).

616501672407 is a wasteful number, since it uses less digits than its factorization.

616501672407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525230 (or 525227 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 616501672407 in words is "six hundred sixteen billion, five hundred one million, six hundred seventy-two thousand, four hundred seven".