170066701661 has 8 divisors (see below), whose sum is σ = 173250712320. Its totient is φ = 166908472848.

The previous prime is 170066701603. The next prime is 170066701769. The reversal of 170066701661 is 166107660071.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-170066701661 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 (170066701061) 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, 6432146 + ... + 6458531.

It is an arithmetic number, because the mean of its divisors is an integer number (21656339040).

Almost surely, 2^170066701661 is an apocalyptic number.

It is an amenable number.

170066701661 is a deficient number, since it is larger than the sum of its proper divisors (3184010659).

170066701661 is a wasteful number, since it uses less digits than its factorization.

170066701661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12890923.

The product of its (nonzero) digits is 63504, while the sum is 41.

The spelling of 170066701661 in words is "one hundred seventy billion, sixty-six million, seven hundred one thousand, six hundred sixty-one".