556166622 has 16 divisors (see below), whose sum is σ = 1213454592. Its totient is φ = 168535320.

The previous prime is 556166617. The next prime is 556166641. The reversal of 556166622 is 226661655.

It is a happy number.

It is a super-2 number, since 2×556166622² = 618642622853781768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4213318 + ... + 4213449.

It is an arithmetic number, because the mean of its divisors is an integer number (75840912).

Almost surely, 2^556166622 is an apocalyptic number.

556166622 is an abundant number, since it is smaller than the sum of its proper divisors (657287970).

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

556166622 is a wasteful number, since it uses less digits than its factorization.

556166622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8426783.

The product of its digits is 129600, while the sum is 39.

The square root of 556166622 is about 23583.1851538337. The cubic root of 556166622 is about 822.3719848930.

The spelling of 556166622 in words is "five hundred fifty-six million, one hundred sixty-six thousand, six hundred twenty-two".