166601160068656 has 40 divisors (see below), whose sum is σ = 330298013574144. Its totient is φ = 81362980937280.

The previous prime is 166601160068641. The next prime is 166601160068657. The reversal of 166601160068656 is 656860061106661.

It is a self number, because there is not a number n which added to its sum of digits gives 166601160068656.

It is not an unprimeable number, because it can be changed into a prime (166601160068657) 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, 200982561 + ... + 201809791.

Almost surely, 2^{166601160068656} is an apocalyptic number.

166601160068656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166601160068656 is a deficient number, since it is larger than the sum of its proper divisors (163696853505488).

166601160068656 is a wasteful number, since it uses less digits than its factorization.

166601160068656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120009 (or 1120003 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 58.

The spelling of 166601160068656 in words is "one hundred sixty-six trillion, six hundred one billion, one hundred sixty million, sixty-eight thousand, six hundred fifty-six".