99681823118 has 16 divisors (see below), whose sum is σ = 158326758864. Its totient is φ = 46906554240.

The previous prime is 99681823103. The next prime is 99681823121. The reversal of 99681823118 is 81132818699.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657128 + ... + 794468.

It is an arithmetic number, because the mean of its divisors is an integer number (9895422429).

Almost surely, 2^99681823118 is an apocalyptic number.

99681823118 is a deficient number, since it is larger than the sum of its proper divisors (58644935746).

99681823118 is a wasteful number, since it uses less digits than its factorization.

99681823118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158707.

The product of its digits is 1492992, while the sum is 56.

The spelling of 99681823118 in words is "ninety-nine billion, six hundred eighty-one million, eight hundred twenty-three thousand, one hundred eighteen".