16666130 has 16 divisors (see below), whose sum is σ = 32306904. Its totient is φ = 6153600.

The previous prime is 16666093. The next prime is 16666141. The reversal of 16666130 is 3166661.

It can be written as a sum of positive squares in 4 ways, for example, as 12952801 + 3713329 = 3599^2 + 1927^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16666093 and 16666102.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 63971 + ... + 64230.

Almost surely, 2^16666130 is an apocalyptic number.

16666130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16666130 is a deficient number, since it is larger than the sum of its proper divisors (15640774).

16666130 is a wasteful number, since it uses less digits than its factorization.

16666130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128221.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 16666130 is about 4082.4171761347. The cubic root of 16666130 is about 255.4337357502.

The spelling of 16666130 in words is "sixteen million, six hundred sixty-six thousand, one hundred thirty".