616551660016 has 40 divisors (see below), whose sum is σ = 1202437195344. Its totient is φ = 306251189760.

The previous prime is 616551660007. The next prime is 616551660073. The reversal of 616551660016 is 610066155616.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1490236 + ... + 1858468.

Almost surely, 2^616551660016 is an apocalyptic number.

It is an amenable number.

616551660016 is a deficient number, since it is larger than the sum of its proper divisors (585885535328).

616551660016 is a wasteful number, since it uses less digits than its factorization.

616551660016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368929 (or 368923 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 616551660016 in words is "six hundred sixteen billion, five hundred fifty-one million, six hundred sixty thousand, sixteen".