10666603015 has 4 divisors (see below), whose sum is σ = 12799923624. Its totient is φ = 8533282408.

The previous prime is 10666603007. The next prime is 10666603061. The reversal of 10666603015 is 51030666601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10666603015 - 2³ = 10666603007 is a prime.

It is a super-2 number, since 2×10666603015² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066660297 + ... + 1066660306.

It is an arithmetic number, because the mean of its divisors is an integer number (3199980906).

Almost surely, 2^10666603015 is an apocalyptic number.

10666603015 is a deficient number, since it is larger than the sum of its proper divisors (2133320609).

10666603015 is an equidigital number, since it uses as much as digits as its factorization.

10666603015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133320608.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 10666603015 in words is "ten billion, six hundred sixty-six million, six hundred three thousand, fifteen".