666040150 has 24 divisors (see below), whose sum is σ = 1240389360. Its totient is φ = 266081760.

The previous prime is 666040087. The next prime is 666040153. The reversal of 666040150 is 51040666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666040153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34012 + ... + 49888.

It is an arithmetic number, because the mean of its divisors is an integer number (51682890).

Almost surely, 2^666040150 is an apocalyptic number.

666040150 is a deficient number, since it is larger than the sum of its proper divisors (574349210).

666040150 is a wasteful number, since it uses less digits than its factorization.

666040150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16728 (or 16723 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 666040150 is about 25807.7536798537. The cubic root of 666040150 is about 873.3067226060.

The spelling of 666040150 in words is "six hundred sixty-six million, forty thousand, one hundred fifty".