668852476 has 6 divisors (see below), whose sum is σ = 1170491840. Its totient is φ = 334426236.

The previous prime is 668852467. The next prime is 668852477. The reversal of 668852476 is 674258866.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668852477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83606556 + ... + 83606563.

Almost surely, 2^668852476 is an apocalyptic number.

It is an amenable number.

668852476 is a deficient number, since it is larger than the sum of its proper divisors (501639364).

668852476 is a wasteful number, since it uses less digits than its factorization.

668852476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167213123 (or 167213121 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 52.

The square root of 668852476 is about 25862.1823518434. The cubic root of 668852476 is about 874.5341633594.

The spelling of 668852476 in words is "six hundred sixty-eight million, eight hundred fifty-two thousand, four hundred seventy-six".