91049116 has 24 divisors (see below), whose sum is σ = 161767424. Its totient is φ = 44835120.

The previous prime is 91049107. The next prime is 91049131. The reversal of 91049116 is 61194019.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91381 + ... + 92371.

Almost surely, 2^91049116 is an apocalyptic number.

It is an amenable number.

91049116 is a deficient number, since it is larger than the sum of its proper divisors (70718308).

91049116 is a wasteful number, since it uses less digits than its factorization.

91049116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321 (or 1319 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 91049116 is about 9541.9660447939. The cubic root of 91049116 is about 449.8750533765.

The spelling of 91049116 in words is "ninety-one million, forty-nine thousand, one hundred sixteen".