16516402 has 16 divisors (see below), whose sum is σ = 28422720. Its totient is φ = 7051248.

The previous prime is 16516387. The next prime is 16516417. The reversal of 16516402 is 20461561.

It is an interprime number because it is at equal distance from previous prime (16516387) and next prime (16516417).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1749 + ... + 6007.

It is an arithmetic number, because the mean of its divisors is an integer number (1776420).

Almost surely, 2^16516402 is an apocalyptic number.

16516402 is a deficient number, since it is larger than the sum of its proper divisors (11906318).

16516402 is a wasteful number, since it uses less digits than its factorization.

16516402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 16516402 is about 4064.0376474634. The cubic root of 16516402 is about 254.6664972481. Note that the first 3 decimals are identical.

Adding to 16516402 its reverse (20461561), we get a palindrome (36977963).

The spelling of 16516402 in words is "sixteen million, five hundred sixteen thousand, four hundred two".