556665150 has 96 divisors (see below), whose sum is σ = 1448523360. Its totient is φ = 141281280.

The previous prime is 556665139. The next prime is 556665157. The reversal of 556665150 is 51566655.

It is a junction number, because it is equal to n+sod(n) for n = 556665099 and 556665108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556665157) 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 47 ways as a sum of consecutive naturals, for example, 316674 + ... + 318426.

It is an arithmetic number, because the mean of its divisors is an integer number (15088785).

Almost surely, 2^556665150 is an apocalyptic number.

556665150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 556665150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (724261680).

556665150 is an abundant number, since it is smaller than the sum of its proper divisors (891858210).

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

556665150 is a wasteful number, since it uses less digits than its factorization.

556665150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870 (or 1865 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 39.

The square root of 556665150 is about 23593.7523509933. The cubic root of 556665150 is about 822.6176265226.

The spelling of 556665150 in words is "five hundred fifty-six million, six hundred sixty-five thousand, one hundred fifty".