16841091 has 8 divisors (see below), whose sum is σ = 23179264. Its totient is φ = 10865160.

The previous prime is 16841081. The next prime is 16841093. The reversal of 16841091 is 19014861.

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

It is not a de Polignac number, because 16841091 - 2⁵ = 16841059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16841093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90451 + ... + 90636.

It is an arithmetic number, because the mean of its divisors is an integer number (2897408).

Almost surely, 2^16841091 is an apocalyptic number.

16841091 is a deficient number, since it is larger than the sum of its proper divisors (6338173).

16841091 is a wasteful number, since it uses less digits than its factorization.

16841091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181121.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 16841091 is about 4103.7898338000. The cubic root of 16841091 is about 256.3244736145.

It can be divided in two parts, 1684 and 1091, that added together give a triangular number (2775 = T₇₄).

The spelling of 16841091 in words is "sixteen million, eight hundred forty-one thousand, ninety-one".