669023150 has 12 divisors (see below), whose sum is σ = 1244383152. Its totient is φ = 267609240.

The previous prime is 669023137. The next prime is 669023161. The reversal of 669023150 is 51320966.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6690182 + ... + 6690281.

It is an arithmetic number, because the mean of its divisors is an integer number (103698596).

Almost surely, 2^669023150 is an apocalyptic number.

669023150 is a deficient number, since it is larger than the sum of its proper divisors (575360002).

669023150 is a wasteful number, since it uses less digits than its factorization.

669023150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13380475 (or 13380470 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 669023150 is about 25865.4818242383. The cubic root of 669023150 is about 874.6085432639.

The spelling of 669023150 in words is "six hundred sixty-nine million, twenty-three thousand, one hundred fifty".