556362066 has 32 divisors (see below), whose sum is σ = 1261391040. Its totient is φ = 162177984.

The previous prime is 556362061. The next prime is 556362073. The reversal of 556362066 is 660263655.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (556362061) 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, 186225 + ... + 189188.

It is an arithmetic number, because the mean of its divisors is an integer number (39418470).

Almost surely, 2^556362066 is an apocalyptic number.

556362066 is an abundant number, since it is smaller than the sum of its proper divisors (705028974).

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

556362066 is a wasteful number, since it uses less digits than its factorization.

556362066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375450.

The product of its (nonzero) digits is 194400, while the sum is 39.

The square root of 556362066 is about 23587.3285049410. The cubic root of 556362066 is about 822.4683042574.

The spelling of 556362066 in words is "five hundred fifty-six million, three hundred sixty-two thousand, sixty-six".