669008132 has 36 divisors (see below), whose sum is σ = 1286759376. Its totient is φ = 304143840.

The previous prime is 669008129. The next prime is 669008173. The reversal of 669008132 is 231800966.

It is a junction number, because it is equal to n+sod(n) for n = 669008092 and 669008101.

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, 37907 + ... + 52677.

It is an arithmetic number, because the mean of its divisors is an integer number (35743316).

Almost surely, 2^669008132 is an apocalyptic number.

It is an amenable number.

669008132 is a deficient number, since it is larger than the sum of its proper divisors (617751244).

669008132 is a wasteful number, since it uses less digits than its factorization.

669008132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14868 (or 14853 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 669008132 is about 25865.1915129194. The cubic root of 669008132 is about 874.6019989117.

The spelling of 669008132 in words is "six hundred sixty-nine million, eight thousand, one hundred thirty-two".