99161683 has 4 divisors (see below), whose sum is σ = 99181600. Its totient is φ = 99141768.

The previous prime is 99161659. The next prime is 99161693. The reversal of 99161683 is 38616199.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 38616199 = 283 ⋅136453.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99161683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99161603) 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, 4966 + ... + 14932.

It is an arithmetic number, because the mean of its divisors is an integer number (24795400).

Almost surely, 2^99161683 is an apocalyptic number.

99161683 is a deficient number, since it is larger than the sum of its proper divisors (19917).

99161683 is an equidigital number, since it uses as much as digits as its factorization.

99161683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19916.

The product of its digits is 69984, while the sum is 43.

The square root of 99161683 is about 9957.9959329174. The cubic root of 99161683 is about 462.8582010059.

The spelling of 99161683 in words is "ninety-nine million, one hundred sixty-one thousand, six hundred eighty-three".