556167890 has 16 divisors (see below), whose sum is σ = 1001623320. Its totient is φ = 222351360.

The previous prime is 556167889. The next prime is 556167893. The reversal of 556167890 is 98761655.

It can be written as a sum of positive squares in 4 ways, for example, as 425225641 + 130942249 = 20621^2 + 11443^2 .

It is not an unprimeable number, because it can be changed into a prime (556167893) by changing a digit.

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, 7250 + ... + 34130.

Almost surely, 2^556167890 is an apocalyptic number.

556167890 is a deficient number, since it is larger than the sum of its proper divisors (445455430).

556167890 is a wasteful number, since it uses less digits than its factorization.

556167890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28957.

The product of its (nonzero) digits is 453600, while the sum is 47.

The square root of 556167890 is about 23583.2120373795. The cubic root of 556167890 is about 822.3726098657.

The spelling of 556167890 in words is "five hundred fifty-six million, one hundred sixty-seven thousand, eight hundred ninety".