556383918363 has 64 divisors (see below), whose sum is σ = 937970783232. Its totient is φ = 285468157440.

The previous prime is 556383918359. The next prime is 556383918397. The reversal of 556383918363 is 363819383655.

It is a happy number.

It is not a de Polignac number, because 556383918363 - 2² = 556383918359 is a prime.

It is a super-2 number, since 2×556383918363² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 556383918297 and 556383918306.

It is not an unprimeable number, because it can be changed into a prime (556383918163) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68490820 + ... + 68498942.

It is an arithmetic number, because the mean of its divisors is an integer number (14655793488).

Almost surely, 2^556383918363 is an apocalyptic number.

556383918363 is a deficient number, since it is larger than the sum of its proper divisors (381586864869).

556383918363 is a wasteful number, since it uses less digits than its factorization.

556383918363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14964.

The product of its digits is 41990400, while the sum is 60.

The spelling of 556383918363 in words is "five hundred fifty-six billion, three hundred eighty-three million, nine hundred eighteen thousand, three hundred sixty-three".