166001012160544 has 96 divisors (see below), whose sum is σ = 373622666062464. Its totient is φ = 71864591124480.

The previous prime is 166001012160539. The next prime is 166001012160583. The reversal of 166001012160544 is 445061210100661.

166001012160544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42113799 + ... + 45886534.

It is an arithmetic number, because the mean of its divisors is an integer number (3891902771484).

Almost surely, 2^{166001012160544} is an apocalyptic number.

It is an amenable number.

166001012160544 is an abundant number, since it is smaller than the sum of its proper divisors (207621653901920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166001012160544 is a wasteful number, since it uses less digits than its factorization.

166001012160544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88000610 (or 88000602 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 166001012160544 in words is "one hundred sixty-six trillion, one billion, twelve million, one hundred sixty thousand, five hundred forty-four".