816940119 has 8 divisors (see below), whose sum is σ = 1095776640. Its totient is φ = 541365176.

The previous prime is 816940099. The next prime is 816940141. The reversal of 816940119 is 911049618.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-816940119 is a prime.

It is a super-2 number, since 2×816940119² = 1334782316063468322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816950119) 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 7 ways as a sum of consecutive naturals, for example, 814809 + ... + 815810.

It is an arithmetic number, because the mean of its divisors is an integer number (136972080).

Almost surely, 2^816940119 is an apocalyptic number.

816940119 is a deficient number, since it is larger than the sum of its proper divisors (278836521).

816940119 is a wasteful number, since it uses less digits than its factorization.

816940119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630789.

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 816940119 is about 28582.1643512174. The cubic root of 816940119 is about 934.8244759976.

The spelling of 816940119 in words is "eight hundred sixteen million, nine hundred forty thousand, one hundred nineteen".