669262966 has 8 divisors (see below), whose sum is σ = 1013834304. Its totient is φ = 331318200.

The previous prime is 669262961. The next prime is 669263003.

669262966 is nontrivially palindromic in base 10.

669262966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669262961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1656390 + ... + 1656793.

It is an arithmetic number, because the mean of its divisors is an integer number (126729288).

Almost surely, 2^669262966 is an apocalyptic number.

669262966 is a deficient number, since it is larger than the sum of its proper divisors (344571338).

669262966 is a wasteful number, since it uses less digits than its factorization.

669262966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3313286.

The product of its digits is 2519424, while the sum is 52.

The square root of 669262966 is about 25870.1172397807. The cubic root of 669262966 is about 874.7130339510.

The spelling of 669262966 in words is "six hundred sixty-nine million, two hundred sixty-two thousand, nine hundred sixty-six".