669406096 has 10 divisors (see below), whose sum is σ = 1296974342. Its totient is φ = 334703040.

The previous prime is 669406013. The next prime is 669406117. The reversal of 669406096 is 690604966.

669406096 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 638269696 + 31136400 = 25264^2 + 5580^2 .

It is a super-2 number, since 2×669406096² = 896209042723922432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20918925 + ... + 20918956.

Almost surely, 2^669406096 is an apocalyptic number.

It is an amenable number.

669406096 is a deficient number, since it is larger than the sum of its proper divisors (627568246).

669406096 is a wasteful number, since it uses less digits than its factorization.

669406096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41837889 (or 41837883 counting only the distinct ones).

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

The square root of 669406096 is about 25872.8834110155. The cubic root of 669406096 is about 874.7753855023.

The spelling of 669406096 in words is "six hundred sixty-nine million, four hundred six thousand, ninety-six".