10066993 has 4 divisors (see below), whose sum is σ = 10237680. Its totient is φ = 9896308.

The previous prime is 10066981. The next prime is 10067023. The reversal of 10066993 is 39966001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39966001 = 1583 ⋅25247.

It is a cyclic number.

It is not a de Polignac number, because 10066993 - 2⁵ = 10066961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10066933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85255 + ... + 85372.

It is an arithmetic number, because the mean of its divisors is an integer number (2559420).

Almost surely, 2^10066993 is an apocalyptic number.

It is an amenable number.

10066993 is a deficient number, since it is larger than the sum of its proper divisors (170687).

10066993 is an equidigital number, since it uses as much as digits as its factorization.

10066993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170686.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 10066993 is about 3172.8525020870. The cubic root of 10066993 is about 215.9235054350.

The spelling of 10066993 in words is "ten million, sixty-six thousand, nine hundred ninety-three".