16396671 has 8 divisors (see below), whose sum is σ = 21901824. Its totient is φ = 10911320.

The previous prime is 16396657. The next prime is 16396693. The reversal of 16396671 is 17669361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16396671 - 2¹⁰ = 16395647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16396621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2895 + ... + 6416.

It is an arithmetic number, because the mean of its divisors is an integer number (2737728).

Almost surely, 2^16396671 is an apocalyptic number.

16396671 is a deficient number, since it is larger than the sum of its proper divisors (5505153).

16396671 is an equidigital number, since it uses as much as digits as its factorization.

16396671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9901.

The product of its digits is 40824, while the sum is 39.

The square root of 16396671 is about 4049.2803064248. The cubic root of 16396671 is about 254.0496265693.

The spelling of 16396671 in words is "sixteen million, three hundred ninety-six thousand, six hundred seventy-one".