556146999 has 16 divisors (see below), whose sum is σ = 824451040. Its totient is φ = 370526400.

The previous prime is 556146991. The next prime is 556147021. The reversal of 556146999 is 999641655.

It is not a de Polignac number, because 556146999 - 2³ = 556146991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556146991) 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, 42909 + ... + 54345.

It is an arithmetic number, because the mean of its divisors is an integer number (51528190).

Almost surely, 2^556146999 is an apocalyptic number.

556146999 is a deficient number, since it is larger than the sum of its proper divisors (268304041).

556146999 is a wasteful number, since it uses less digits than its factorization.

556146999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13247 (or 13241 counting only the distinct ones).

The product of its digits is 2624400, while the sum is 54.

The square root of 556146999 is about 23582.7691122141. The cubic root of 556146999 is about 822.3623129742.

The spelling of 556146999 in words is "five hundred fifty-six million, one hundred forty-six thousand, nine hundred ninety-nine".