16312863 has 16 divisors (see below), whose sum is σ = 24917760. Its totient is φ = 9299136.

The previous prime is 16312841. The next prime is 16312871. The reversal of 16312863 is 36821361.

It is not a de Polignac number, because 16312863 - 2¹⁴ = 16296479 is a prime.

It is a super-2 number, since 2×16312863² = 532218998513538, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16312863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16312823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12328 + ... + 13586.

It is an arithmetic number, because the mean of its divisors is an integer number (1557360).

Almost surely, 2^16312863 is an apocalyptic number.

16312863 is a deficient number, since it is larger than the sum of its proper divisors (8604897).

16312863 is a wasteful number, since it uses less digits than its factorization.

16312863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886.

The product of its digits is 5184, while the sum is 30.

The square root of 16312863 is about 4038.9185433727. The cubic root of 16312863 is about 253.6160472999.

The spelling of 16312863 in words is "sixteen million, three hundred twelve thousand, eight hundred sixty-three".