91016351 has 16 divisors (see below), whose sum is σ = 100245600. Its totient is φ = 82283520.

The previous prime is 91016339. The next prime is 91016353. The reversal of 91016351 is 15361019.

It is a cyclic number.

It is not a de Polignac number, because 91016351 - 2⁶ = 91016287 is a prime.

It is a super-2 number, since 2×91016351² = 16567952298710402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 91016351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91016353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45725 + ... + 47673.

It is an arithmetic number, because the mean of its divisors is an integer number (6265350).

Almost surely, 2^91016351 is an apocalyptic number.

91016351 is a deficient number, since it is larger than the sum of its proper divisors (9229249).

91016351 is a wasteful number, since it uses less digits than its factorization.

91016351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 91016351 is about 9540.2490009433. The cubic root of 91016351 is about 449.8210827825.

The spelling of 91016351 in words is "ninety-one million, sixteen thousand, three hundred fifty-one".