669654682 has 16 divisors (see below), whose sum is σ = 1038720672. Its totient is φ = 323603280.

The previous prime is 669654673. The next prime is 669654691. The reversal of 669654682 is 286456966.

It is an interprime number because it is at equal distance from previous prime (669654673) and next prime (669654691).

It is a super-2 number, since 2×669654682² = 896874786249042248, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40044 + ... + 54247.

It is an arithmetic number, because the mean of its divisors is an integer number (64920042).

Almost surely, 2^669654682 is an apocalyptic number.

669654682 is a deficient number, since it is larger than the sum of its proper divisors (369065990).

669654682 is a wasteful number, since it uses less digits than its factorization.

669654682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94413.

The product of its digits is 3732480, while the sum is 52.

The square root of 669654682 is about 25877.6869522761. The cubic root of 669654682 is about 874.8836556058.

The spelling of 669654682 in words is "six hundred sixty-nine million, six hundred fifty-four thousand, six hundred eighty-two".