10066891 has 8 divisors (see below), whose sum is σ = 10366400. Its totient is φ = 9771840.

The previous prime is 10066841. The next prime is 10066921. The reversal of 10066891 is 19866001.

It is a happy number.

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 10066891 - 2²¹ = 7969739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10066841) 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, 3775 + ... + 5863.

It is an arithmetic number, because the mean of its divisors is an integer number (1295800).

Almost surely, 2^10066891 is an apocalyptic number.

10066891 is a deficient number, since it is larger than the sum of its proper divisors (299509).

10066891 is an equidigital number, since it uses as much as digits as its factorization.

10066891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 10066891 is about 3172.8364281822. The cubic root of 10066891 is about 215.9227761781.

The spelling of 10066891 in words is "ten million, sixty-six thousand, eight hundred ninety-one".