16500530 has 16 divisors (see below), whose sum is σ = 30205440. Its totient is φ = 6488112.

The previous prime is 16500527. The next prime is 16500541. The reversal of 16500530 is 3500561.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13394 + ... + 14573.

It is an arithmetic number, because the mean of its divisors is an integer number (1887840).

Almost surely, 2^16500530 is an apocalyptic number.

16500530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16500530 is a deficient number, since it is larger than the sum of its proper divisors (13704910).

16500530 is a wasteful number, since it uses less digits than its factorization.

16500530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28033.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 16500530 is about 4062.0844402843. The cubic root of 16500530 is about 254.5848942831.

The spelling of 16500530 in words is "sixteen million, five hundred thousand, five hundred thirty".