616166016556 has 12 divisors (see below), whose sum is σ = 1078296121000. Its totient is φ = 308081410560.

The previous prime is 616166016533. The next prime is 616166016623. The reversal of 616166016556 is 655610661616.

It is a super-2 number, since 2×616166016556² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064191 + ... + 1537801.

Almost surely, 2^616166016556 is an apocalyptic number.

It is an amenable number.

616166016556 is a deficient number, since it is larger than the sum of its proper divisors (462130104444).

616166016556 is a wasteful number, since it uses less digits than its factorization.

616166016556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798864 (or 798862 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 616166016556 in words is "six hundred sixteen billion, one hundred sixty-six million, sixteen thousand, five hundred fifty-six".