166870002017 has 8 divisors (see below), whose sum is σ = 174563831616. Its totient is φ = 159212723472.

The previous prime is 166870001999. The next prime is 166870002031. The reversal of 166870002017 is 710200078661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166870002017 - 2¹⁶ = 166869936481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166870002077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9128423 + ... + 9146684.

It is an arithmetic number, because the mean of its divisors is an integer number (21820478952).

Almost surely, 2^166870002017 is an apocalyptic number.

It is an amenable number.

166870002017 is a deficient number, since it is larger than the sum of its proper divisors (7693829599).

166870002017 is a wasteful number, since it uses less digits than its factorization.

166870002017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18275527.

The product of its (nonzero) digits is 28224, while the sum is 38.

The spelling of 166870002017 in words is "one hundred sixty-six billion, eight hundred seventy million, two thousand, seventeen".