669364926 has 16 divisors (see below), whose sum is σ = 1339904784. Its totient is φ = 222925824.

The previous prime is 669364909. The next prime is 669364933. The reversal of 669364926 is 629463966.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 41461 + ... + 55296.

It is an arithmetic number, because the mean of its divisors is an integer number (83744049).

Almost surely, 2^669364926 is an apocalyptic number.

669364926 is an abundant number, since it is smaller than the sum of its proper divisors (670539858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

669364926 is a wasteful number, since it uses less digits than its factorization.

669364926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97915.

The product of its digits is 2519424, while the sum is 51.

The square root of 669364926 is about 25872.0877781442. The cubic root of 669364926 is about 874.7574515749.

The spelling of 669364926 in words is "six hundred sixty-nine million, three hundred sixty-four thousand, nine hundred twenty-six".