166872121482 has 96 divisors (see below), whose sum is σ = 395752101696. Its totient is φ = 46694602240.

The previous prime is 166872121447. The next prime is 166872121483. The reversal of 166872121482 is 284121278661.

It is a happy number.

166872121482 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 (166872121483) 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, 526573 + ... + 781679.

It is an arithmetic number, because the mean of its divisors is an integer number (4122417726).

Almost surely, 2^166872121482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166872121482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197876050848).

166872121482 is an abundant number, since it is smaller than the sum of its proper divisors (228879980214).

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

166872121482 is a wasteful number, since it uses less digits than its factorization.

166872121482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255204 (or 255193 counting only the distinct ones).

The product of its digits is 516096, while the sum is 48.

The spelling of 166872121482 in words is "one hundred sixty-six billion, eight hundred seventy-two million, one hundred twenty-one thousand, four hundred eighty-two".