556314661 has 16 divisors (see below), whose sum is σ = 670464000. Its totient is φ = 450925488.

The previous prime is 556314617. The next prime is 556314673. The reversal of 556314661 is 166413655.

It is a cyclic number.

It is not a de Polignac number, because 556314661 - 2⁷ = 556314533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 556314661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556314611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76176 + ... + 83158.

It is an arithmetic number, because the mean of its divisors is an integer number (41904000).

Almost surely, 2^556314661 is an apocalyptic number.

It is an amenable number.

556314661 is a deficient number, since it is larger than the sum of its proper divisors (114149339).

556314661 is a wasteful number, since it uses less digits than its factorization.

556314661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7608.

The product of its digits is 64800, while the sum is 37.

The square root of 556314661 is about 23586.3236007649. The cubic root of 556314661 is about 822.4449440395. Note that the first 3 decimals are identical.

The spelling of 556314661 in words is "five hundred fifty-six million, three hundred fourteen thousand, six hundred sixty-one".