170166668687 has 8 divisors (see below), whose sum is σ = 175660910592. Its totient is φ = 164672739000.

The previous prime is 170166668681. The next prime is 170166668701. The reversal of 170166668687 is 786866661071.

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 170166668687 - 2¹⁰ = 170166667663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170166668681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1608062 + ... + 1710612.

It is an arithmetic number, because the mean of its divisors is an integer number (21957613824).

Almost surely, 2^170166668687 is an apocalyptic number.

170166668687 is a deficient number, since it is larger than the sum of its proper divisors (5494241905).

170166668687 is a wasteful number, since it uses less digits than its factorization.

170166668687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156109.

The product of its (nonzero) digits is 24385536, while the sum is 62.

The spelling of 170166668687 in words is "one hundred seventy billion, one hundred sixty-six million, six hundred sixty-eight thousand, six hundred eighty-seven".