91849168 has 20 divisors (see below), whose sum is σ = 178284100. Its totient is φ = 45840384.

The previous prime is 91849151. The next prime is 91849171. The reversal of 91849168 is 86194819.

91849168 is nontrivially palindromic in base 14.

It can be written as a sum of positive squares in 2 ways, for example, as 71707024 + 20142144 = 8468^2 + 4488^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4258 + ... + 14206.

It is an arithmetic number, because the mean of its divisors is an integer number (8914205).

Almost surely, 2^91849168 is an apocalyptic number.

It is an amenable number.

91849168 is a deficient number, since it is larger than the sum of its proper divisors (86434932).

91849168 is a wasteful number, since it uses less digits than its factorization.

91849168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10534 (or 10528 counting only the distinct ones).

The product of its digits is 124416, while the sum is 46.

The square root of 91849168 is about 9583.7971597901. The cubic root of 91849168 is about 451.1889022387.

It can be divided in two parts, 918 and 49168, that added together give a triangular number (50086 = T₃₁₆).

The spelling of 91849168 in words is "ninety-one million, eight hundred forty-nine thousand, one hundred sixty-eight".