16082991 has 12 divisors (see below), whose sum is σ = 23559120. Its totient is φ = 10570560.

The previous prime is 16082933. The next prime is 16082999. The reversal of 16082991 is 19928061.

It is not a de Polignac number, because 16082991 - 2²³ = 7694383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16082999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11946 + ... + 13223.

It is an arithmetic number, because the mean of its divisors is an integer number (1963260).

Almost surely, 2^16082991 is an apocalyptic number.

16082991 is a deficient number, since it is larger than the sum of its proper divisors (7476129).

16082991 is a wasteful number, since it uses less digits than its factorization.

16082991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25246 (or 25243 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 16082991 is about 4010.3604576148. The cubic root of 16082991 is about 252.4191343178.

The spelling of 16082991 in words is "sixteen million, eighty-two thousand, nine hundred ninety-one".