16671707 has 16 divisors (see below), whose sum is σ = 19004160. Its totient is φ = 14515200.

The previous prime is 16671701. The next prime is 16671731. The reversal of 16671707 is 70717661.

It is a cyclic number.

It is not a de Polignac number, because 16671707 - 2⁶ = 16671643 is a prime.

It is a super-3 number, since 3×16671707³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16671701) 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 15 ways as a sum of consecutive naturals, for example, 16019 + ... + 17027.

It is an arithmetic number, because the mean of its divisors is an integer number (1187760).

Almost surely, 2^16671707 is an apocalyptic number.

16671707 is a deficient number, since it is larger than the sum of its proper divisors (2332453).

16671707 is a wasteful number, since it uses less digits than its factorization.

16671707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094.

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 16671707 is about 4083.1001702138. The cubic root of 16671707 is about 255.4622245691.

The spelling of 16671707 in words is "sixteen million, six hundred seventy-one thousand, seven hundred seven".