664133150 has 24 divisors (see below), whose sum is σ = 1275138624. Its totient is φ = 257083200.

The previous prime is 664133149. The next prime is 664133159. The reversal of 664133150 is 51331466.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664133159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212687 + ... + 215786.

It is an arithmetic number, because the mean of its divisors is an integer number (53130776).

Almost surely, 2^664133150 is an apocalyptic number.

664133150 is a deficient number, since it is larger than the sum of its proper divisors (611005474).

664133150 is a wasteful number, since it uses less digits than its factorization.

664133150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428516 (or 428511 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 664133150 is about 25770.7809350047. The cubic root of 664133150 is about 872.4724446214.

The spelling of 664133150 in words is "six hundred sixty-four million, one hundred thirty-three thousand, one hundred fifty".