6416091 has 40 divisors (see below), whose sum is σ = 11035200. Its totient is φ = 3674160.

The previous prime is 6416087. The next prime is 6416117. The reversal of 6416091 is 1906146.

It is not a de Polignac number, because 6416091 - 2² = 6416087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6416071) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16740 + ... + 17118.

It is an arithmetic number, because the mean of its divisors is an integer number (275880).

Almost surely, 2^6416091 is an apocalyptic number.

6416091 is a deficient number, since it is larger than the sum of its proper divisors (4619109).

6416091 is a wasteful number, since it uses less digits than its factorization.

6416091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 6416091 is about 2533.0003947888. Note that the first 3 decimals coincide. The cubic root of 6416091 is about 185.8190227182.

The spelling of 6416091 in words is "six million, four hundred sixteen thousand, ninety-one".