816083099 has 4 divisors (see below), whose sum is σ = 878858736. Its totient is φ = 753307464.

The previous prime is 816083089. The next prime is 816083101. The reversal of 816083099 is 990380618.

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

It is not a de Polignac number, because 816083099 - 2²⁰ = 815034523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (816083069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31387799 + ... + 31387824.

It is an arithmetic number, because the mean of its divisors is an integer number (219714684).

Almost surely, 2^816083099 is an apocalyptic number.

816083099 is a deficient number, since it is larger than the sum of its proper divisors (62775637).

816083099 is a wasteful number, since it uses less digits than its factorization.

816083099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62775636.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 816083099 is about 28567.1682005760. The cubic root of 816083099 is about 934.4974656601.

The spelling of 816083099 in words is "eight hundred sixteen million, eighty-three thousand, ninety-nine".