166494505716097 has 16 divisors (see below), whose sum is σ = 179415061257600. Its totient is φ = 153590141728512.

The previous prime is 166494505716089. The next prime is 166494505716127. The reversal of 166494505716097 is 790617505494661.

166494505716097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 166494505716097 - 2³ = 166494505716089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166494505716017) 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, 553637028 + ... + 553937674.

It is an arithmetic number, because the mean of its divisors is an integer number (11213441328600).

Almost surely, 2^{166494505716097} is an apocalyptic number.

It is an amenable number.

166494505716097 is a deficient number, since it is larger than the sum of its proper divisors (12920555541503).

166494505716097 is a wasteful number, since it uses less digits than its factorization.

166494505716097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327432.

The product of its (nonzero) digits is 342921600, while the sum is 70.

The spelling of 166494505716097 in words is "one hundred sixty-six trillion, four hundred ninety-four billion, five hundred five million, seven hundred sixteen thousand, ninety-seven".