91683262416 has 120 divisors (see below), whose sum is σ = 250773797664. Its totient is φ = 28859546880.

The previous prime is 91683262381. The next prime is 91683262427. The reversal of 91683262416 is 61426238619.

It is a super-2 number, since 2×91683262416² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5484631 + ... + 5501321.

Almost surely, 2^91683262416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91683262416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125386898832).

91683262416 is an abundant number, since it is smaller than the sum of its proper divisors (159090535248).

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

91683262416 is a wasteful number, since it uses less digits than its factorization.

91683262416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17057 (or 17032 counting only the distinct ones).

The product of its digits is 746496, while the sum is 48.

The spelling of 91683262416 in words is "ninety-one billion, six hundred eighty-three million, two hundred sixty-two thousand, four hundred sixteen".