669682010 has 16 divisors (see below), whose sum is σ = 1209722472. Its totient is φ = 266918400.

The previous prime is 669681989. The next prime is 669682031. The reversal of 669682010 is 10286966.

669682010 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (669681989) and next prime (669682031).

It can be written as a sum of positive squares in 4 ways, for example, as 651729841 + 17952169 = 25529^2 + 4237^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116351 + ... + 121970.

Almost surely, 2^669682010 is an apocalyptic number.

669682010 is a deficient number, since it is larger than the sum of its proper divisors (540040462).

669682010 is a wasteful number, since it uses less digits than its factorization.

669682010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238609.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 669682010 is about 25878.2149693521. The cubic root of 669682010 is about 874.8955565133.

The spelling of 669682010 in words is "six hundred sixty-nine million, six hundred eighty-two thousand, ten".