96891660506 has 32 divisors (see below), whose sum is σ = 149488839360. Its totient is φ = 47081894400.

The previous prime is 96891660491. The next prime is 96891660521. The reversal of 96891660506 is 60506619869.

It is an interprime number because it is at equal distance from previous prime (96891660491) and next prime (96891660521).

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 11682221 + ... + 11690511.

It is an arithmetic number, because the mean of its divisors is an integer number (4671526230).

Almost surely, 2^96891660506 is an apocalyptic number.

96891660506 is a deficient number, since it is larger than the sum of its proper divisors (52597178854).

96891660506 is a wasteful number, since it uses less digits than its factorization.

96891660506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9470.

The product of its (nonzero) digits is 4199040, while the sum is 56.

The spelling of 96891660506 in words is "ninety-six billion, eight hundred ninety-one million, six hundred sixty thousand, five hundred six".