165166065056134 has 16 divisors (see below), whose sum is σ = 248553865279296. Its totient is φ = 82315183388200.

The previous prime is 165166065056129. The next prime is 165166065056137. The reversal of 165166065056134 is 431650560661561.

It is a super-3 number, since 3×165166065056134³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165166065056137) 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, 100876852 + ... + 102501079.

It is an arithmetic number, because the mean of its divisors is an integer number (15534616579956).

Almost surely, 2^{165166065056134} is an apocalyptic number.

165166065056134 is a deficient number, since it is larger than the sum of its proper divisors (83387800223162).

165166065056134 is a wasteful number, since it uses less digits than its factorization.

165166065056134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203379251.

The product of its (nonzero) digits is 11664000, while the sum is 55.

The spelling of 165166065056134 in words is "one hundred sixty-five trillion, one hundred sixty-six billion, sixty-five million, fifty-six thousand, one hundred thirty-four".