666055150 has 48 divisors (see below), whose sum is σ = 1282739328. Its totient is φ = 257040000.

The previous prime is 666055123. The next prime is 666055153. The reversal of 666055150 is 51550666.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666055153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 949800 + ... + 950500.

It is an arithmetic number, because the mean of its divisors is an integer number (26723736).

Almost surely, 2^666055150 is an apocalyptic number.

666055150 is a deficient number, since it is larger than the sum of its proper divisors (616684178).

666055150 is a wasteful number, since it uses less digits than its factorization.

666055150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357 (or 1352 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 666055150 is about 25808.0442885547. The cubic root of 666055150 is about 873.3132785183.

The spelling of 666055150 in words is "six hundred sixty-six million, fifty-five thousand, one hundred fifty".