16091849 has 8 divisors (see below), whose sum is σ = 16295040. Its totient is φ = 15890256.

The previous prime is 16091827. The next prime is 16091857. The reversal of 16091849 is 94819061.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16091849 - 2¹⁶ = 16026313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16091869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43664 + ... + 44030.

It is an arithmetic number, because the mean of its divisors is an integer number (2036880).

Almost surely, 2^16091849 is an apocalyptic number.

It is an amenable number.

16091849 is a deficient number, since it is larger than the sum of its proper divisors (203191).

16091849 is a wasteful number, since it uses less digits than its factorization.

16091849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 16091849 is about 4011.4646950958. The cubic root of 16091849 is about 252.4654672900.

The spelling of 16091849 in words is "sixteen million, ninety-one thousand, eight hundred forty-nine".