91683262417 has 16 divisors (see below), whose sum is σ = 93878507520. Its totient is φ = 89498584768.

The previous prime is 91683262381. The next prime is 91683262427. The reversal of 91683262417 is 71426238619.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 91683262417 - 2¹¹ = 91683260369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91683262427) 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, 41540928 + ... + 41543134.

It is an arithmetic number, because the mean of its divisors is an integer number (5867406720).

Almost surely, 2^91683262417 is an apocalyptic number.

It is an amenable number.

91683262417 is a deficient number, since it is larger than the sum of its proper divisors (2195245103).

91683262417 is a wasteful number, since it uses less digits than its factorization.

91683262417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4160.

The product of its digits is 870912, while the sum is 49.

The spelling of 91683262417 in words is "ninety-one billion, six hundred eighty-three million, two hundred sixty-two thousand, four hundred seventeen".