91336661750 has 16 divisors (see below), whose sum is σ = 170982231264. Its totient is φ = 36534664600.

The previous prime is 91336661749. The next prime is 91336661777. The reversal of 91336661750 is 5716663319.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 91336661695 and 91336661704.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 182673074 + ... + 182673573.

It is an arithmetic number, because the mean of its divisors is an integer number (10686389454).

Almost surely, 2^91336661750 is an apocalyptic number.

91336661750 is a deficient number, since it is larger than the sum of its proper divisors (79645569514).

91336661750 is a wasteful number, since it uses less digits than its factorization.

91336661750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365346664 (or 365346654 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 47.

The spelling of 91336661750 in words is "ninety-one billion, three hundred thirty-six million, six hundred sixty-one thousand, seven hundred fifty".