16043697 has 8 divisors (see below), whose sum is σ = 23768480. Its totient is φ = 10695780.

The previous prime is 16043689. The next prime is 16043717. The reversal of 16043697 is 79634061.

It is not a de Polignac number, because 16043697 - 2³ = 16043689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16043197) 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, 297079 + ... + 297132.

It is an arithmetic number, because the mean of its divisors is an integer number (2971060).

Almost surely, 2^16043697 is an apocalyptic number.

It is an amenable number.

16043697 is a deficient number, since it is larger than the sum of its proper divisors (7724783).

16043697 is an equidigital number, since it uses as much as digits as its factorization.

16043697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594220 (or 594214 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 16043697 is about 4005.4584007327. The cubic root of 16043697 is about 252.2133963402.

The spelling of 16043697 in words is "sixteen million, forty-three thousand, six hundred ninety-seven".