662617712 has 20 divisors (see below), whose sum is σ = 1287469680. Its totient is φ = 330367488.

The previous prime is 662617673. The next prime is 662617729. The reversal of 662617712 is 217716266.

It is a super-2 number, since 2×662617712² = 878124464512229888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 53012 + ... + 64307.

It is an arithmetic number, because the mean of its divisors is an integer number (64373484).

Almost surely, 2^662617712 is an apocalyptic number.

It is an amenable number.

662617712 is a deficient number, since it is larger than the sum of its proper divisors (624851968).

662617712 is a wasteful number, since it uses less digits than its factorization.

662617712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117680 (or 117674 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 662617712 is about 25741.3618909334. The cubic root of 662617712 is about 871.8083283799.

The spelling of 662617712 in words is "six hundred sixty-two million, six hundred seventeen thousand, seven hundred twelve".