166065717438246 has 64 divisors (see below), whose sum is σ = 336717079554240. Its totient is φ = 54596066757120.

The previous prime is 166065717438211. The next prime is 166065717438251. The reversal of 166065717438246 is 642834717560661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162945576 + ... + 163961556.

It is an arithmetic number, because the mean of its divisors is an integer number (5261204368035).

Almost surely, 2^{166065717438246} is an apocalyptic number.

166065717438246 is an abundant number, since it is smaller than the sum of its proper divisors (170651362115994).

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

166065717438246 is a wasteful number, since it uses less digits than its factorization.

166065717438246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017241.

The product of its (nonzero) digits is 243855360, while the sum is 66.

The spelling of 166065717438246 in words is "one hundred sixty-six trillion, sixty-five billion, seven hundred seventeen million, four hundred thirty-eight thousand, two hundred forty-six".