91696601 has 4 divisors (see below), whose sum is σ = 91751604. Its totient is φ = 91641600.

The previous prime is 91696567. The next prime is 91696621. The reversal of 91696601 is 10669619.

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 58920976 + 32775625 = 7676^2 + 5725^2 .

It is a cyclic number.

It is not a de Polignac number, because 91696601 - 2¹⁴ = 91680217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91696621) 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, 24920 + ... + 28361.

It is an arithmetic number, because the mean of its divisors is an integer number (22937901).

Almost surely, 2^91696601 is an apocalyptic number.

It is an amenable number.

91696601 is a deficient number, since it is larger than the sum of its proper divisors (55003).

91696601 is a wasteful number, since it uses less digits than its factorization.

91696601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55002.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 91696601 is about 9575.8342195341. The cubic root of 91696601 is about 450.9389464766.

The spelling of 91696601 in words is "ninety-one million, six hundred ninety-six thousand, six hundred one".