669133130 has 16 divisors (see below), whose sum is σ = 1206921600. Its totient is φ = 267101712.

The previous prime is 669133097. The next prime is 669133133. The reversal of 669133130 is 31331966.

It is not an unprimeable number, because it can be changed into a prime (669133133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63830 + ... + 73569.

It is an arithmetic number, because the mean of its divisors is an integer number (75432600).

Almost surely, 2^669133130 is an apocalyptic number.

669133130 is a deficient number, since it is larger than the sum of its proper divisors (537788470).

669133130 is a wasteful number, since it uses less digits than its factorization.

669133130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137893.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 669133130 is about 25867.6077363176. The cubic root of 669133130 is about 874.6564659590.

The spelling of 669133130 in words is "six hundred sixty-nine million, one hundred thirty-three thousand, one hundred thirty".