2016492191 has 4 divisors (see below), whose sum is σ = 2304562512. Its totient is φ = 1728421872.

The previous prime is 2016492139. The next prime is 2016492263. The reversal of 2016492191 is 1912946102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2016492191 - 2²² = 2012297887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016492391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144035150 + ... + 144035163.

It is an arithmetic number, because the mean of its divisors is an integer number (576140628).

Almost surely, 2^2016492191 is an apocalyptic number.

2016492191 is a deficient number, since it is larger than the sum of its proper divisors (288070321).

2016492191 is an equidigital number, since it uses as much as digits as its factorization.

2016492191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288070320.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 2016492191 is about 44905.3692892064. The cubic root of 2016492191 is about 1263.3747172290.

The spelling of 2016492191 in words is "two billion, sixteen million, four hundred ninety-two thousand, one hundred ninety-one".