557190816 has 96 divisors (see below), whose sum is σ = 1800183168. Its totient is φ = 146949120.

The previous prime is 557190811. The next prime is 557190817. The reversal of 557190816 is 618091755.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (557190811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23155 + ... + 40626.

It is an arithmetic number, because the mean of its divisors is an integer number (18751908).

Almost surely, 2^557190816 is an apocalyptic number.

557190816 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

557190816 is an abundant number, since it is smaller than the sum of its proper divisors (1242992352).

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

557190816 is a wasteful number, since it uses less digits than its factorization.

557190816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63814 (or 63806 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 42.

The square root of 557190816 is about 23604.8896629491. The cubic root of 557190816 is about 822.8764811648.

The spelling of 557190816 in words is "five hundred fifty-seven million, one hundred ninety thousand, eight hundred sixteen".