669126934 has 32 divisors (see below), whose sum is σ = 1177353216. Its totient is φ = 279292320.

The previous prime is 669126917. The next prime is 669126937. The reversal of 669126934 is 439621966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669126937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84159 + ... + 91765.

It is an arithmetic number, because the mean of its divisors is an integer number (36792288).

Almost surely, 2^669126934 is an apocalyptic number.

669126934 is a deficient number, since it is larger than the sum of its proper divisors (508226282).

669126934 is a wasteful number, since it uses less digits than its factorization.

669126934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7780.

The product of its digits is 419904, while the sum is 46.

The square root of 669126934 is about 25867.4879723563. The cubic root of 669126934 is about 874.6537662530.

The spelling of 669126934 in words is "six hundred sixty-nine million, one hundred twenty-six thousand, nine hundred thirty-four".