556151660 has 24 divisors (see below), whose sum is σ = 1229388720. Its totient is φ = 210752064.

The previous prime is 556151627. The next prime is 556151767. The reversal of 556151660 is 66151655.

It is a self number, because there is not a number n which added to its sum of digits gives 556151660.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731399 + ... + 732158.

It is an arithmetic number, because the mean of its divisors is an integer number (51224530).

Almost surely, 2^556151660 is an apocalyptic number.

It is an amenable number.

556151660 is an abundant number, since it is smaller than the sum of its proper divisors (673237060).

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

556151660 is a wasteful number, since it uses less digits than its factorization.

556151660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463585 (or 1463583 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 556151660 is about 23582.8679341593. The cubic root of 556151660 is about 822.3646103404.

It can be divided in two parts, 55615 and 1660, that added together give a palindrome (57275).

The spelling of 556151660 in words is "five hundred fifty-six million, one hundred fifty-one thousand, six hundred sixty".