964536123664 has 15 divisors (see below), whose sum is σ = 1868796350967. Its totient is φ = 482266097616.

The previous prime is 964536123653. The next prime is 964536123701. The reversal of 964536123664 is 466321635469.

The square root of 964536123664 is 982108.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3805669 + ... + 4051195.

Almost surely, 2^964536123664 is an apocalyptic number.

964536123664 is the 982108-th square number.

It is an amenable number.

964536123664 is a deficient number, since it is larger than the sum of its proper divisors (904260227303).

964536123664 is an frugal number, since it uses more digits than its factorization.

964536123664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491062 (or 245529 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 55.

The spelling of 964536123664 in words is "nine hundred sixty-four billion, five hundred thirty-six million, one hundred twenty-three thousand, six hundred sixty-four".