16940671 has 16 divisors (see below), whose sum is σ = 19008000. Its totient is φ = 14968800.

The previous prime is 16940639. The next prime is 16940689. The reversal of 16940671 is 17604961.

It is not a de Polignac number, because 16940671 - 2⁵ = 16940639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16940071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85030 + ... + 85228.

It is an arithmetic number, because the mean of its divisors is an integer number (1188000).

Almost surely, 2^16940671 is an apocalyptic number.

16940671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16940671 is a deficient number, since it is larger than the sum of its proper divisors (2067329).

16940671 is a wasteful number, since it uses less digits than its factorization.

16940671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 16940671 is about 4115.9046393229. The cubic root of 16940671 is about 256.8286897017.

The spelling of 16940671 in words is "sixteen million, nine hundred forty thousand, six hundred seventy-one".