616403018372 has 24 divisors (see below), whose sum is σ = 1104098451456. Its totient is φ = 301028298048.

The previous prime is 616403018351. The next prime is 616403018381. The reversal of 616403018372 is 273810304616.

It is a super-2 number, since 2×616403018372² (a number of 24 digits) contains 22 as substring.

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, 10217348 + ... + 10277499.

It is an arithmetic number, because the mean of its divisors is an integer number (46004102144).

Almost surely, 2^616403018372 is an apocalyptic number.

It is an amenable number.

616403018372 is a deficient number, since it is larger than the sum of its proper divisors (487695433084).

616403018372 is a wasteful number, since it uses less digits than its factorization.

616403018372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20495027 (or 20495025 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 616403018372 in words is "six hundred sixteen billion, four hundred three million, eighteen thousand, three hundred seventy-two".