166224643464 has 96 divisors (see below), whose sum is σ = 457686452160. Its totient is φ = 50270520960.

The previous prime is 166224643433. The next prime is 166224643489. The reversal of 166224643464 is 464346422661.

It is a happy number.

166224643464 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1403814 + ... + 1517610.

It is an arithmetic number, because the mean of its divisors is an integer number (4767567210).

Almost surely, 2^166224643464 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 166224643464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228843226080).

166224643464 is an abundant number, since it is smaller than the sum of its proper divisors (291461808696).

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

166224643464 is a wasteful number, since it uses less digits than its factorization.

166224643464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114331 (or 114316 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 48.

The spelling of 166224643464 in words is "one hundred sixty-six billion, two hundred twenty-four million, six hundred forty-three thousand, four hundred sixty-four".