166683351713 has 4 divisors (see below), whose sum is σ = 166799185920. Its totient is φ = 166567517508.

The previous prime is 166683351599. The next prime is 166683351733. The reversal of 166683351713 is 317153386661.

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: 317153386661 = 37 ⋅8571713153.

It is a cyclic number.

It is not a de Polignac number, because 166683351713 - 2²² = 166679157409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166683351733) 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, 57914945 + ... + 57917822.

It is an arithmetic number, because the mean of its divisors is an integer number (41699796480).

Almost surely, 2^166683351713 is an apocalyptic number.

It is an amenable number.

166683351713 is a deficient number, since it is larger than the sum of its proper divisors (115834207).

166683351713 is a wasteful number, since it uses less digits than its factorization.

166683351713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115834206.

The product of its digits is 1632960, while the sum is 50.

The spelling of 166683351713 in words is "one hundred sixty-six billion, six hundred eighty-three million, three hundred fifty-one thousand, seven hundred thirteen".