16890170 has 32 divisors (see below), whose sum is σ = 33359040. Its totient is φ = 6106240.

The previous prime is 16890169. The next prime is 16890173. The reversal of 16890170 is 7109861.

It is not an unprimeable number, because it can be changed into a prime (16890173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25301 + ... + 25959.

It is an arithmetic number, because the mean of its divisors is an integer number (1042470).

Almost surely, 2^16890170 is an apocalyptic number.

16890170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16890170 is a deficient number, since it is larger than the sum of its proper divisors (16468870).

16890170 is a wasteful number, since it uses less digits than its factorization.

16890170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 16890170 is about 4109.7652001057. The cubic root of 16890170 is about 256.5732292337.

The spelling of 16890170 in words is "sixteen million, eight hundred ninety thousand, one hundred seventy".