91061114 has 4 divisors (see below), whose sum is σ = 136591674. Its totient is φ = 45530556.

The previous prime is 91061093. The next prime is 91061153. The reversal of 91061114 is 41116019.

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

It can be written as a sum of positive squares in only one way, i.e., 82210489 + 8850625 = 9067^2 + 2975^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 91061114.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22765277 + ... + 22765280.

Almost surely, 2^91061114 is an apocalyptic number.

91061114 is a deficient number, since it is larger than the sum of its proper divisors (45530560).

91061114 is a wasteful number, since it uses less digits than its factorization.

91061114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45530559.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 91061114 is about 9542.5947205150. The cubic root of 91061114 is about 449.8948132748.

The spelling of 91061114 in words is "ninety-one million, sixty-one thousand, one hundred fourteen".