669922828140 has 96 divisors (see below), whose sum is σ = 1882483868160. Its totient is φ = 178008754176.

The previous prime is 669922828073. The next prime is 669922828229. The reversal of 669922828140 is 41828229966.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30636531 + ... + 30658389.

It is an arithmetic number, because the mean of its divisors is an integer number (19609206960).

Almost surely, 2^669922828140 is an apocalyptic number.

669922828140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

669922828140 is an abundant number, since it is smaller than the sum of its proper divisors (1212561040020).

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

669922828140 is a wasteful number, since it uses less digits than its factorization.

669922828140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23671 (or 23669 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 57.

The spelling of 669922828140 in words is "six hundred sixty-nine billion, nine hundred twenty-two million, eight hundred twenty-eight thousand, one hundred forty".