666150 has 24 divisors (see below), whose sum is σ = 1652424. Its totient is φ = 177600.

The previous prime is 666143. The next prime is 666167. The reversal of 666150 is 51666.

It is a self number, because there is not a number n which added to its sum of digits gives 666150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2071 + ... + 2370.

It is an arithmetic number, because the mean of its divisors is an integer number (68851).

2⁶⁶⁶¹⁵⁰ is an apocalyptic number.

666150 is an abundant number, since it is smaller than the sum of its proper divisors (986274).

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

666150 is a wasteful number, since it uses less digits than its factorization.

666150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4456 (or 4451 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 666150 is about 816.1801271778. The cubic root of 666150 is about 87.3354731458.

It can be divided in two parts, 66 and 6150, that added together give a triangular number (6216 = T₁₁₁).

The spelling of 666150 in words is "six hundred sixty-six thousand, one hundred fifty".