666700048 has 40 divisors (see below), whose sum is σ = 1490622848. Its totient is φ = 282949632.

The previous prime is 666700019. The next prime is 666700051. The reversal of 666700048 is 840007666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17361 + ... + 40432.

Almost surely, 2^666700048 is an apocalyptic number.

It is an amenable number.

666700048 is an abundant number, since it is smaller than the sum of its proper divisors (823922800).

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

666700048 is a wasteful number, since it uses less digits than its factorization.

666700048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57911 (or 57905 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 666700048 is about 25820.5353933647. The cubic root of 666700048 is about 873.5950451333.

The spelling of 666700048 in words is "six hundred sixty-six million, seven hundred thousand, forty-eight".