91850065816336 has 45 divisors (see below), whose sum is σ = 180135665518791. Its totient is φ = 45370147508256.

The previous prime is 91850065816321. The next prime is 91850065816351. The reversal of 91850065816336 is 63361856005819.

The square root of 91850065816336 is 9583844.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (91850065816321) and next prime (91850065816351).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3181821775 + ... + 3181850641.

Almost surely, 2^{91850065816336} is an apocalyptic number.

91850065816336 is the 9583844-th square number.

It is an amenable number.

91850065816336 is a deficient number, since it is larger than the sum of its proper divisors (88285599702455).

91850065816336 is an frugal number, since it uses more digits than its factorization.

91850065816336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57908 (or 28952 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 61.

The spelling of 91850065816336 in words is "ninety-one trillion, eight hundred fifty billion, sixty-five million, eight hundred sixteen thousand, three hundred thirty-six".