99118647256 has 16 divisors (see below), whose sum is σ = 185857241040. Its totient is φ = 49556716320.

The previous prime is 99118647247. The next prime is 99118647293. The reversal of 99118647256 is 65274681199.

It is a self number, because there is not a number n which added to its sum of digits gives 99118647256.

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, 159340 + ... + 472891.

It is an arithmetic number, because the mean of its divisors is an integer number (11616077565).

Almost surely, 2^99118647256 is an apocalyptic number.

It is an amenable number.

99118647256 is a deficient number, since it is larger than the sum of its proper divisors (86738593784).

99118647256 is a wasteful number, since it uses less digits than its factorization.

99118647256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651834 (or 651830 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 58.

The spelling of 99118647256 in words is "ninety-nine billion, one hundred eighteen million, six hundred forty-seven thousand, two hundred fifty-six".