91149830416 has 10 divisors (see below), whose sum is σ = 176602796462. Its totient is φ = 45574915200.

The previous prime is 91149830407. The next prime is 91149830417. The reversal of 91149830416 is 61403894119.

It can be written as a sum of positive squares in only one way, i.e., 66718890000 + 24430940416 = 258300^2 + 156304^2 .

It is not an unprimeable number, because it can be changed into a prime (91149830417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2848432185 + ... + 2848432216.

Almost surely, 2^91149830416 is an apocalyptic number.

It is an amenable number.

91149830416 is a deficient number, since it is larger than the sum of its proper divisors (85452966046).

91149830416 is a wasteful number, since it uses less digits than its factorization.

91149830416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5696864409 (or 5696864403 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 91149830416 in words is "ninety-one billion, one hundred forty-nine million, eight hundred thirty thousand, four hundred sixteen".