16313506 has 32 divisors (see below), whose sum is σ = 28833408. Its totient is φ = 6839040.

The previous prime is 16313503. The next prime is 16313519. The reversal of 16313506 is 60531361.

It is a super-2 number, since 2×16313506² = 532260956024072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16313503) 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 15 ways as a sum of consecutive naturals, for example, 19411 + ... + 20233.

It is an arithmetic number, because the mean of its divisors is an integer number (901044).

Almost surely, 2^16313506 is an apocalyptic number.

16313506 is a deficient number, since it is larger than the sum of its proper divisors (12519902).

16313506 is a wasteful number, since it uses less digits than its factorization.

16313506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 16313506 is about 4038.9981431043. The cubic root of 16313506 is about 253.6193794961.

Adding to 16313506 its reverse (60531361), we get a palindrome (76844867).

It can be divided in two parts, 1631350 and 6, that multiplied together give a triangular number (9788100 = T₄₄₂₄).

The spelling of 16313506 in words is "sixteen million, three hundred thirteen thousand, five hundred six".