16939677 has 16 divisors (see below), whose sum is σ = 23265792. Its totient is φ = 10958640.

The previous prime is 16939669. The next prime is 16939679. The reversal of 16939677 is 77693961.

It is not a de Polignac number, because 16939677 - 2³ = 16939669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16939679) 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, 13678 + ... + 14864.

It is an arithmetic number, because the mean of its divisors is an integer number (1454112).

Almost surely, 2^16939677 is an apocalyptic number.

It is an amenable number.

16939677 is a deficient number, since it is larger than the sum of its proper divisors (6326115).

16939677 is a wasteful number, since it uses less digits than its factorization.

16939677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328.

The product of its digits is 428652, while the sum is 48.

The square root of 16939677 is about 4115.7838864547. The cubic root of 16939677 is about 256.8236664314.

The spelling of 16939677 in words is "sixteen million, nine hundred thirty-nine thousand, six hundred seventy-seven".