662866312 has 16 divisors (see below), whose sum is σ = 1315984860. Its totient is φ = 311937024.

The previous prime is 662866307. The next prime is 662866313. The reversal of 662866312 is 213668266.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 536663556 + 126202756 = 23166^2 + 11234^2 .

It is not an unprimeable number, because it can be changed into a prime (662866313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2436873 + ... + 2437144.

Almost surely, 2^662866312 is an apocalyptic number.

It is an amenable number.

662866312 is a deficient number, since it is larger than the sum of its proper divisors (653118548).

662866312 is a wasteful number, since it uses less digits than its factorization.

662866312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4874040 (or 4874036 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 662866312 is about 25746.1902424417. The cubic root of 662866312 is about 871.9173426968.

The spelling of 662866312 in words is "six hundred sixty-two million, eight hundred sixty-six thousand, three hundred twelve".