99166216544 has 24 divisors (see below), whose sum is σ = 195869447928. Its totient is φ = 49421594880.

The previous prime is 99166216463. The next prime is 99166216553. The reversal of 99166216544 is 44561266199.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5037317 + ... + 5056964.

It is an arithmetic number, because the mean of its divisors is an integer number (8161226997).

Almost surely, 2^99166216544 is an apocalyptic number.

It is an amenable number.

99166216544 is a deficient number, since it is larger than the sum of its proper divisors (96703231384).

99166216544 is a wasteful number, since it uses less digits than its factorization.

99166216544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10094598 (or 10094590 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 53.

The spelling of 99166216544 in words is "ninety-nine billion, one hundred sixty-six million, two hundred sixteen thousand, five hundred forty-four".