99163312209 has 48 divisors (see below), whose sum is σ = 161686853760. Its totient is φ = 60023021760.

The previous prime is 99163312181. The next prime is 99163312217. The reversal of 99163312209 is 90221336199.

99163312209 is a `hidden beast` number, since 9 + 9 + 1 + 633 + 1 + 2 + 2 + 0 + 9 = 666.

It is not a de Polignac number, because 99163312209 - 2⁷ = 99163312081 is a prime.

It is a super-3 number, since 3×99163312209³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (99163302209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100212 + ... + 456474.

It is an arithmetic number, because the mean of its divisors is an integer number (3368476120).

Almost surely, 2^99163312209 is an apocalyptic number.

It is an amenable number.

99163312209 is a deficient number, since it is larger than the sum of its proper divisors (62523541551).

99163312209 is a wasteful number, since it uses less digits than its factorization.

99163312209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356359 (or 356340 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The spelling of 99163312209 in words is "ninety-nine billion, one hundred sixty-three million, three hundred twelve thousand, two hundred nine".