16240666 has 16 divisors (see below), whose sum is σ = 26629344. Its totient is φ = 7383024.

The previous prime is 16240657. The next prime is 16240681. The reversal of 16240666 is 66604261.

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, 2920 + ... + 6403.

It is an arithmetic number, because the mean of its divisors is an integer number (1664334).

Almost surely, 2^16240666 is an apocalyptic number.

16240666 is a deficient number, since it is larger than the sum of its proper divisors (10388678).

16240666 is a wasteful number, since it uses less digits than its factorization.

16240666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9405.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 16240666 is about 4029.9709676374. The cubic root of 16240666 is about 253.2413451031.

The spelling of 16240666 in words is "sixteen million, two hundred forty thousand, six hundred sixty-six".