91061335416 has 32 divisors (see below), whose sum is σ = 239635094400. Its totient is φ = 28756211040.

The previous prime is 91061335411. The next prime is 91061335429. The reversal of 91061335416 is 61453316019.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91061335411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99847500 + ... + 99848411.

It is an arithmetic number, because the mean of its divisors is an integer number (7488596700).

Almost surely, 2^91061335416 is an apocalyptic number.

It is an amenable number.

91061335416 is an abundant number, since it is smaller than the sum of its proper divisors (148573758984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91061335416 is a wasteful number, since it uses less digits than its factorization.

91061335416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199695939 (or 199695935 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The spelling of 91061335416 in words is "ninety-one billion, sixty-one million, three hundred thirty-five thousand, four hundred sixteen".