91011416 has 16 divisors (see below), whose sum is σ = 175259040. Its totient is φ = 44275680.

The previous prime is 91011407. The next prime is 91011449. The reversal of 91011416 is 61411019.

It is a junction number, because it is equal to n+sod(n) for n = 91011391 and 91011400.

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, 153440 + ... + 154031.

It is an arithmetic number, because the mean of its divisors is an integer number (10953690).

Almost surely, 2^91011416 is an apocalyptic number.

It is an amenable number.

91011416 is a deficient number, since it is larger than the sum of its proper divisors (84247624).

91011416 is a wasteful number, since it uses less digits than its factorization.

91011416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307514 (or 307510 counting only the distinct ones).

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

The square root of 91011416 is about 9539.9903563893. The cubic root of 91011416 is about 449.8129527153.

The spelling of 91011416 in words is "ninety-one million, eleven thousand, four hundred sixteen".