91766758350 has 48 divisors (see below), whose sum is σ = 228182181120. Its totient is φ = 24406552800.

The previous prime is 91766758283. The next prime is 91766758351. The reversal of 91766758350 is 5385766719.

It is a super-2 number, since 2×91766758350² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91766758351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 750246 + ... + 863945.

It is an arithmetic number, because the mean of its divisors is an integer number (4753795440).

Almost surely, 2^91766758350 is an apocalyptic number.

91766758350 is an abundant number, since it is smaller than the sum of its proper divisors (136415422770).

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

91766758350 is a wasteful number, since it uses less digits than its factorization.

91766758350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614585 (or 1614580 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 57.

The spelling of 91766758350 in words is "ninety-one billion, seven hundred sixty-six million, seven hundred fifty-eight thousand, three hundred fifty".