91066201 has 8 divisors (see below), whose sum is σ = 91757120. Its totient is φ = 90378288.

The previous prime is 91066169. The next prime is 91066249. The reversal of 91066201 is 10266019.

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

It is a cyclic number.

It is not a de Polignac number, because 91066201 - 2⁵ = 91066169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91066301) 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, 124900 + ... + 125626.

It is an arithmetic number, because the mean of its divisors is an integer number (11469640).

Almost surely, 2^91066201 is an apocalyptic number.

It is an amenable number.

91066201 is a deficient number, since it is larger than the sum of its proper divisors (690919).

91066201 is a wasteful number, since it uses less digits than its factorization.

91066201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 91066201 is about 9542.8612585534. The cubic root of 91066201 is about 449.9031906974.

The spelling of 91066201 in words is "ninety-one million, sixty-six thousand, two hundred one".