166425152212 has 24 divisors (see below), whose sum is σ = 336410202240. Its totient is φ = 71197925760.

The previous prime is 166425152197. The next prime is 166425152239. The reversal of 166425152212 is 212251524661.

166425152212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111246012 + ... + 111247507.

It is an arithmetic number, because the mean of its divisors is an integer number (14017091760).

Almost surely, 2^166425152212 is an apocalyptic number.

It is an amenable number.

166425152212 is an abundant number, since it is smaller than the sum of its proper divisors (169985050028).

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

166425152212 is a wasteful number, since it uses less digits than its factorization.

166425152212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222493551 (or 222493549 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

Adding to 166425152212 its reverse (212251524661), we get a palindrome (378676676873).

The spelling of 166425152212 in words is "one hundred sixty-six billion, four hundred twenty-five million, one hundred fifty-two thousand, two hundred twelve".