16903966 has 16 divisors (see below), whose sum is σ = 26010000. Its totient is φ = 8236800.

The previous prime is 16903951. The next prime is 16903969. The reversal of 16903966 is 66930961.

It is a happy number.

16903966 is nontrivially palindromic in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16903969) by changing a digit.

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, 12910 + ... + 14158.

It is an arithmetic number, because the mean of its divisors is an integer number (1625625).

Almost surely, 2^16903966 is an apocalyptic number.

16903966 is a deficient number, since it is larger than the sum of its proper divisors (9106034).

16903966 is a wasteful number, since it uses less digits than its factorization.

16903966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 16903966 is about 4111.4432988915. The cubic root of 16903966 is about 256.6430671130.

The spelling of 16903966 in words is "sixteen million, nine hundred three thousand, nine hundred sixty-six".