16566130 has 16 divisors (see below), whose sum is σ = 34079040. Its totient is φ = 5679792.

The previous prime is 16566101. The next prime is 16566131. The reversal of 16566130 is 3166561.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16566131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118260 + ... + 118399.

It is an arithmetic number, because the mean of its divisors is an integer number (2129940).

Almost surely, 2^16566130 is an apocalyptic number.

16566130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16566130 is an abundant number, since it is smaller than the sum of its proper divisors (17512910).

16566130 is a wasteful number, since it uses less digits than its factorization.

16566130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236673.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 16566130 is about 4070.1511028462. The cubic root of 16566130 is about 254.9218266077.

Subtracting from 16566130 its product of nonzero digits (3240), we obtain a triangular number (16562890 = T₅₇₅₅).

The spelling of 16566130 in words is "sixteen million, five hundred sixty-six thousand, one hundred thirty".