99866112256 has 27 divisors (see below), whose sum is σ = 199352215783. Its totient is φ = 49930528000.

The previous prime is 99866112251. The next prime is 99866112323. The reversal of 99866112256 is 65221166899.

The square root of 99866112256 is 316016.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99866112197 and 99866112206.

It is not an unprimeable number, because it can be changed into a prime (99866112251) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5046381 + ... + 5066131.

Almost surely, 2^99866112256 is an apocalyptic number.

99866112256 is the 316016-th square number.

It is an amenable number.

99866112256 is a deficient number, since it is larger than the sum of its proper divisors (99486103527).

99866112256 is an frugal number, since it uses more digits than its factorization.

99866112256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39518 (or 19753 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 55.

The spelling of 99866112256 in words is "ninety-nine billion, eight hundred sixty-six million, one hundred twelve thousand, two hundred fifty-six".