556167798 has 48 divisors (see below), whose sum is σ = 1221083136. Its totient is φ = 182936880.

The previous prime is 556167797. The next prime is 556167827. The reversal of 556167798 is 897761655.

556167798 is a `hidden beast` number, since 5 + 561 + 6 + 7 + 79 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556167793) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 509233 + ... + 510323.

It is an arithmetic number, because the mean of its divisors is an integer number (25439232).

Almost surely, 2^556167798 is an apocalyptic number.

556167798 is an abundant number, since it is smaller than the sum of its proper divisors (664915338).

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

556167798 is a wasteful number, since it uses less digits than its factorization.

556167798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449 (or 1446 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 54.

The square root of 556167798 is about 23583.2100868393. The cubic root of 556167798 is about 822.3725645207.

The spelling of 556167798 in words is "five hundred fifty-six million, one hundred sixty-seven thousand, seven hundred ninety-eight".