91696501 has 4 divisors (see below), whose sum is σ = 98750092. Its totient is φ = 84642912.

The previous prime is 91696499. The next prime is 91696513. The reversal of 91696501 is 10569619.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14432401 + 77264100 = 3799^2 + 8790^2 .

It is a cyclic number.

It is not a de Polignac number, because 91696501 - 2¹ = 91696499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91696531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3526776 + ... + 3526801.

It is an arithmetic number, because the mean of its divisors is an integer number (24687523).

Almost surely, 2^91696501 is an apocalyptic number.

It is an amenable number.

91696501 is a deficient number, since it is larger than the sum of its proper divisors (7053591).

91696501 is a wasteful number, since it uses less digits than its factorization.

91696501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7053590.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 91696501 is about 9575.8289980555. The cubic root of 91696501 is about 450.9387825523.

The spelling of 91696501 in words is "ninety-one million, six hundred ninety-six thousand, five hundred one".