170666346372 has 72 divisors (see below), whose sum is σ = 422603895168. Its totient is φ = 53565589440.

The previous prime is 170666346329. The next prime is 170666346437. The reversal of 170666346372 is 273643666071.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226693 + ... + 626675.

It is an arithmetic number, because the mean of its divisors is an integer number (5869498544).

Almost surely, 2^170666346372 is an apocalyptic number.

170666346372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

170666346372 is an abundant number, since it is smaller than the sum of its proper divisors (251937548796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

170666346372 is a wasteful number, since it uses less digits than its factorization.

170666346372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400089 (or 400056 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 51.

The spelling of 170666346372 in words is "one hundred seventy billion, six hundred sixty-six million, three hundred forty-six thousand, three hundred seventy-two".