16766530 has 16 divisors (see below), whose sum is σ = 32923584. Its totient is φ = 6096880.

The previous prime is 16766527. The next prime is 16766543. The reversal of 16766530 is 3566761.

It is a happy number.

It is a super-2 number, since 2×16766530² = 562233056481800, which contains 22 as substring.

It is a nialpdrome in base 16.

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, 76102 + ... + 76321.

It is an arithmetic number, because the mean of its divisors is an integer number (2057724).

Almost surely, 2^16766530 is an apocalyptic number.

16766530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16766530 is a deficient number, since it is larger than the sum of its proper divisors (16157054).

16766530 is a wasteful number, since it uses less digits than its factorization.

16766530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152441.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 16766530 is about 4094.6953488630. The cubic root of 16766530 is about 255.9456366497.

The spelling of 16766530 in words is "sixteen million, seven hundred sixty-six thousand, five hundred thirty".