16250666 has 16 divisors (see below), whose sum is σ = 24800256. Its totient is φ = 7985376.

The previous prime is 16250651. The next prime is 16250669. The reversal of 16250666 is 66605261.

It is not an unprimeable number, because it can be changed into a prime (16250669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34565 + ... + 35031.

It is an arithmetic number, because the mean of its divisors is an integer number (1550016).

Almost surely, 2^16250666 is an apocalyptic number.

16250666 is a deficient number, since it is larger than the sum of its proper divisors (8549590).

16250666 is a wasteful number, since it uses less digits than its factorization.

16250666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 16250666 is about 4031.2114804361. The cubic root of 16250666 is about 253.2933112368.

It can be divided in two parts, 162506 and 66, that multiplied together give a triangular number (10725396 = T₄₆₃₁).

The spelling of 16250666 in words is "sixteen million, two hundred fifty thousand, six hundred sixty-six".