16340831 has 16 divisors (see below), whose sum is σ = 18175584. Its totient is φ = 14598144.

The previous prime is 16340827. The next prime is 16340843. The reversal of 16340831 is 13804361.

It is a cyclic number.

It is not a de Polignac number, because 16340831 - 2² = 16340827 is a prime.

It is a super-2 number, since 2×16340831² = 534045515541122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16340831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16340851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63455 + ... + 63711.

It is an arithmetic number, because the mean of its divisors is an integer number (1135974).

Almost surely, 2^16340831 is an apocalyptic number.

16340831 is a deficient number, since it is larger than the sum of its proper divisors (1834753).

16340831 is a wasteful number, since it uses less digits than its factorization.

16340831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 16340831 is about 4042.3793735868. The cubic root of 16340831 is about 253.7609040264.

It can be divided in two parts, 16340 and 831, that added together give a palindrome (17171).

The spelling of 16340831 in words is "sixteen million, three hundred forty thousand, eight hundred thirty-one".