669258496 has 36 divisors (see below), whose sum is σ = 1354755024. Its totient is φ = 329907200.

The previous prime is 669258449. The next prime is 669258503. The reversal of 669258496 is 694852966.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235 + ... + 36586.

It is an arithmetic number, because the mean of its divisors is an integer number (37632084).

Almost surely, 2^669258496 is an apocalyptic number.

It is an amenable number.

669258496 is an abundant number, since it is smaller than the sum of its proper divisors (685496528).

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

669258496 is an equidigital number, since it uses as much as digits as its factorization.

669258496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36908 (or 36894 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 55.

The square root of 669258496 is about 25870.0308465220. The cubic root of 669258496 is about 874.7110865471.

The spelling of 669258496 in words is "six hundred sixty-nine million, two hundred fifty-eight thousand, four hundred ninety-six".