166454283276 has 144 divisors (see below), whose sum is σ = 451802332800. Its totient is φ = 51485331456.

The previous prime is 166454283271. The next prime is 166454283343. The reversal of 166454283276 is 672382454661.

166454283276 is a `hidden beast` number, since 1 + 6 + 64 + 542 + 8 + 32 + 7 + 6 = 666.

166454283276 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (166454283271) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40078416 + ... + 40082568.

It is an arithmetic number, because the mean of its divisors is an integer number (3137516200).

Almost surely, 2^166454283276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166454283276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225901166400).

166454283276 is an abundant number, since it is smaller than the sum of its proper divisors (285348049524).

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

166454283276 is a wasteful number, since it uses less digits than its factorization.

166454283276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5088 (or 5083 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The spelling of 166454283276 in words is "one hundred sixty-six billion, four hundred fifty-four million, two hundred eighty-three thousand, two hundred seventy-six".