166610171606001 has 16 divisors (see below), whose sum is σ = 228222860697600. Its totient is φ = 108037359733248.

The previous prime is 166610171605987. The next prime is 166610171606027. The reversal of 166610171606001 is 100606171016661.

It is not a de Polignac number, because 166610171606001 - 2¹⁹ = 166610171081713 is a prime.

It is a super-2 number, since 2×166610171606001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (166610171606201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236472561 + ... + 237176078.

It is an arithmetic number, because the mean of its divisors is an integer number (14263928793600).

Almost surely, 2^{166610171606001} is an apocalyptic number.

It is an amenable number.

166610171606001 is a deficient number, since it is larger than the sum of its proper divisors (61612689091599).

166610171606001 is a wasteful number, since it uses less digits than its factorization.

166610171606001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473651848.

The product of its (nonzero) digits is 54432, while the sum is 42.

The spelling of 166610171606001 in words is "one hundred sixty-six trillion, six hundred ten billion, one hundred seventy-one million, six hundred six thousand, one".