556656655616 has 36 divisors (see below), whose sum is σ = 1117277852964. Its totient is φ = 276790579200.

The previous prime is 556656655613. The next prime is 556656655619. The reversal of 556656655616 is 616556656655.

It is an interprime number because it is at equal distance from previous prime (556656655613) and next prime (556656655619).

It can be written as a sum of positive squares in 2 ways, for example, as 123566310400 + 433090345216 = 351520^2 + 658096^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556656655613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5960405 + ... + 6053076.

Almost surely, 2^556656655616 is an apocalyptic number.

It is an amenable number.

556656655616 is an abundant number, since it is smaller than the sum of its proper divisors (560621197348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

556656655616 is a wasteful number, since it uses less digits than its factorization.

556656655616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12013678 (or 12013664 counting only the distinct ones).

The product of its digits is 145800000, while the sum is 62.

The spelling of 556656655616 in words is "five hundred fifty-six billion, six hundred fifty-six million, six hundred fifty-five thousand, six hundred sixteen".