1666713339 has 6 divisors (see below), whose sum is σ = 2407474836. Its totient is φ = 1111142220.

The previous prime is 1666713299. The next prime is 1666713353. The reversal of 1666713339 is 9333176661.

1666713339 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1666713339 - 2¹⁵ = 1666680571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1666713294 and 1666713303.

It is not an unprimeable number, because it can be changed into a prime (1666711339) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92595177 + ... + 92595194.

It is an arithmetic number, because the mean of its divisors is an integer number (401245806).

Almost surely, 2^1666713339 is an apocalyptic number.

1666713339 is a deficient number, since it is larger than the sum of its proper divisors (740761497).

1666713339 is a wasteful number, since it uses less digits than its factorization.

1666713339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185190377 (or 185190374 counting only the distinct ones).

The product of its digits is 367416, while the sum is 45.

The square root of 1666713339 is about 40825.4006593934. The cubic root of 1666713339 is about 1185.6421686274.

The spelling of 1666713339 in words is "one billion, six hundred sixty-six million, seven hundred thirteen thousand, three hundred thirty-nine".