99163811 has 4 divisors (see below), whose sum is σ = 101843952. Its totient is φ = 96483672.

The previous prime is 99163807. The next prime is 99163817. The reversal of 99163811 is 11836199.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99163811 - 2² = 99163807 is a prime.

It is a super-2 number, since 2×99163811² = 19666922824087442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99163817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1340015 + ... + 1340088.

It is an arithmetic number, because the mean of its divisors is an integer number (25460988).

Almost surely, 2^99163811 is an apocalyptic number.

99163811 is a deficient number, since it is larger than the sum of its proper divisors (2680141).

99163811 is a wasteful number, since it uses less digits than its factorization.

99163811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680140.

The product of its digits is 11664, while the sum is 38.

The square root of 99163811 is about 9958.1027811526. The cubic root of 99163811 is about 462.8615119461.

The spelling of 99163811 in words is "ninety-nine million, one hundred sixty-three thousand, eight hundred eleven".