91716001 has 8 divisors (see below), whose sum is σ = 100391144. Its totient is φ = 83272320.

The previous prime is 91715999. The next prime is 91716017. The reversal of 91716001 is 10061719.

It can be written as a sum of positive squares in 4 ways, for example, as 5875776 + 85840225 = 2424^2 + 9265^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 91716001 - 2¹ = 91715999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91716091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57036 + ... + 58621.

It is an arithmetic number, because the mean of its divisors is an integer number (12548893).

Almost surely, 2^91716001 is an apocalyptic number.

It is an amenable number.

91716001 is a deficient number, since it is larger than the sum of its proper divisors (8675143).

91716001 is a wasteful number, since it uses less digits than its factorization.

91716001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115731.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 91716001 is about 9576.8471325379. The cubic root of 91716001 is about 450.9707455422.

The spelling of 91716001 in words is "ninety-one million, seven hundred sixteen thousand, one".