668046576 has 20 divisors (see below), whose sum is σ = 1725787112. Its totient is φ = 222682176.

The previous prime is 668046551. The next prime is 668046629. The reversal of 668046576 is 675640866.

668046576 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 13917637 = 668046576 / (6 + 6 + 8 + 0 + 4 + 6 + 5 + 7 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6958771 + ... + 6958866.

Almost surely, 2^668046576 is an apocalyptic number.

It is an amenable number.

668046576 is an abundant number, since it is smaller than the sum of its proper divisors (1057740536).

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

668046576 is a wasteful number, since it uses less digits than its factorization.

668046576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13917648 (or 13917642 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The square root of 668046576 is about 25846.5969907065. The cubic root of 668046576 is about 874.1827802752.

The spelling of 668046576 in words is "six hundred sixty-eight million, forty-six thousand, five hundred seventy-six".