2664166003 has 4 divisors (see below), whose sum is σ = 2664270520. Its totient is φ = 2664061488.

The previous prime is 2664165991. The next prime is 2664166027. The reversal of 2664166003 is 3006614662.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2664166003 - 2⁵ = 2664165971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2664166003.

It is not an unprimeable number, because it can be changed into a prime (2664166103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13876 + ... + 74302.

It is an arithmetic number, because the mean of its divisors is an integer number (666067630).

Almost surely, 2^2664166003 is an apocalyptic number.

2664166003 is a deficient number, since it is larger than the sum of its proper divisors (104517).

2664166003 is an equidigital number, since it uses as much as digits as its factorization.

2664166003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104516.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 2664166003 is about 51615.5596986025. The cubic root of 2664166003 is about 1386.2889472999.

The spelling of 2664166003 in words is "two billion, six hundred sixty-four million, one hundred sixty-six thousand, three".