664614312982 has 4 divisors (see below), whose sum is σ = 996921469476. Its totient is φ = 332307156490.

The previous prime is 664614312953. The next prime is 664614312991. The reversal of 664614312982 is 289213416466.

664614312982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166153578244 + ... + 166153578247.

It is an arithmetic number, because the mean of its divisors is an integer number (249230367369).

Almost surely, 2^664614312982 is an apocalyptic number.

664614312982 is a deficient number, since it is larger than the sum of its proper divisors (332307156494).

664614312982 is a wasteful number, since it uses less digits than its factorization.

664614312982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332307156493.

The product of its digits is 2985984, while the sum is 52.

The spelling of 664614312982 in words is "six hundred sixty-four billion, six hundred fourteen million, three hundred twelve thousand, nine hundred eighty-two".