5001666245 has 12 divisors (see below), whose sum is σ = 6092945964. Its totient is φ = 3941593920.

The previous prime is 5001666239. The next prime is 5001666277. The reversal of 5001666245 is 5426661005.

It can be written as a sum of positive squares in 2 ways, for example, as 2256535009 + 2745131236 = 47503^2 + 52394^2 .

It is a de Polignac number, because none of the positive numbers 2^k-5001666245 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88976 + ... + 133865.

It is an arithmetic number, because the mean of its divisors is an integer number (507745497).

Almost surely, 2^5001666245 is an apocalyptic number.

It is an amenable number.

5001666245 is a deficient number, since it is larger than the sum of its proper divisors (1091279719).

5001666245 is an equidigital number, since it uses as much as digits as its factorization.

5001666245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222980 (or 222913 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 5001666245 is about 70722.4592686086. The cubic root of 5001666245 is about 1710.1658748386.

The spelling of 5001666245 in words is "five billion, one million, six hundred sixty-six thousand, two hundred forty-five".