665250150 has 24 divisors (see below), whose sum is σ = 1649820744. Its totient is φ = 177400000.

The previous prime is 665250143. The next prime is 665250163. The reversal of 665250150 is 51052566.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2217351 + ... + 2217650.

It is an arithmetic number, because the mean of its divisors is an integer number (68742531).

Almost surely, 2^665250150 is an apocalyptic number.

665250150 is an abundant number, since it is smaller than the sum of its proper divisors (984570594).

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

665250150 is a wasteful number, since it uses less digits than its factorization.

665250150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4435016 (or 4435011 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 665250150 is about 25792.4436608864. The cubic root of 665250150 is about 872.9613053602.

The spelling of 665250150 in words is "six hundred sixty-five million, two hundred fifty thousand, one hundred fifty".