166415604434134 has 16 divisors (see below), whose sum is σ = 272317619290320. Its totient is φ = 75643129985760.

The previous prime is 166415604434087. The next prime is 166415604434159. The reversal of 166415604434134 is 431434406514661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11079669 + ... + 21344560.

It is an arithmetic number, because the mean of its divisors is an integer number (17019851205645).

Almost surely, 2^{166415604434134} is an apocalyptic number.

166415604434134 is a deficient number, since it is larger than the sum of its proper divisors (105902014856186).

166415604434134 is a wasteful number, since it uses less digits than its factorization.

166415604434134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32657535.

The product of its (nonzero) digits is 9953280, while the sum is 52.

The spelling of 166415604434134 in words is "one hundred sixty-six trillion, four hundred fifteen billion, six hundred four million, four hundred thirty-four thousand, one hundred thirty-four".