555616975616 has 18 divisors (see below), whose sum is σ = 1109063572932. Its totient is φ = 277808487680.

The previous prime is 555616975601. The next prime is 555616975621. The reversal of 555616975616 is 616579616555.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085189150 + ... + 1085189661.

Almost surely, 2^555616975616 is an apocalyptic number.

It is an amenable number.

555616975616 is a deficient number, since it is larger than the sum of its proper divisors (553446597316).

555616975616 is an equidigital number, since it uses as much as digits as its factorization.

555616975616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170378827 (or 2170378813 counting only the distinct ones).

The product of its digits is 51030000, while the sum is 62.

The spelling of 555616975616 in words is "five hundred fifty-five billion, six hundred sixteen million, nine hundred seventy-five thousand, six hundred sixteen".