135686364448166 has 64 divisors (see below), whose sum is σ = 245055825100800. Its totient is φ = 56286256864320.

The previous prime is 135686364448123. The next prime is 135686364448177. The reversal of 135686364448166 is 661844463686531.

It is a self number, because there is not a number n which added to its sum of digits gives 135686364448166.

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, 15421040 + ... + 22565043.

It is an arithmetic number, because the mean of its divisors is an integer number (3828997267200).

Almost surely, 2^{135686364448166} is an apocalyptic number.

135686364448166 is a deficient number, since it is larger than the sum of its proper divisors (109369460652634).

135686364448166 is a wasteful number, since it uses less digits than its factorization.

135686364448166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37986274 (or 37986260 counting only the distinct ones).

The product of its digits is 1433272320, while the sum is 71.

The spelling of 135686364448166 in words is "one hundred thirty-five trillion, six hundred eighty-six billion, three hundred sixty-four million, four hundred forty-eight thousand, one hundred sixty-six".