96664567999 has 4 divisors (see below), whose sum is σ = 96665462920. Its totient is φ = 96663673080.

The previous prime is 96664567997. The next prime is 96664568027. The reversal of 96664567999 is 99976546669.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 96664567999 - 2¹ = 96664567997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (96664567997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258972 + ... + 510289.

It is an arithmetic number, because the mean of its divisors is an integer number (24166365730).

Almost surely, 2^96664567999 is an apocalyptic number.

96664567999 is a deficient number, since it is larger than the sum of its proper divisors (894921).

96664567999 is a wasteful number, since it uses less digits than its factorization.

96664567999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894920.

The product of its digits is 1190427840, while the sum is 76.

The spelling of 96664567999 in words is "ninety-six billion, six hundred sixty-four million, five hundred sixty-seven thousand, nine hundred ninety-nine".