16073891 has 6 divisors (see below), whose sum is σ = 17075340. Its totient is φ = 15128096.

The previous prime is 16073887. The next prime is 16073899. The reversal of 16073891 is 19837061.

16073891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16073891 - 2² = 16073887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16073899) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27521 + ... + 28098.

It is an arithmetic number, because the mean of its divisors is an integer number (2845890).

Almost surely, 2^16073891 is an apocalyptic number.

16073891 is a deficient number, since it is larger than the sum of its proper divisors (1001449).

16073891 is an equidigital number, since it uses as much as digits as its factorization.

16073891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55653 (or 55636 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 16073891 is about 4009.2257357250. The cubic root of 16073891 is about 252.3715178123.

The spelling of 16073891 in words is "sixteen million, seventy-three thousand, eight hundred ninety-one".