166226550424 has 48 divisors (see below), whose sum is σ = 349048647360. Its totient is φ = 74131886400.

The previous prime is 166226550401. The next prime is 166226550439. The reversal of 166226550424 is 424055622661.

It is a happy number.

166226550424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×166226550424² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1568712 + ... + 1671319.

It is an arithmetic number, because the mean of its divisors is an integer number (7271846820).

Almost surely, 2^166226550424 is an apocalyptic number.

It is an amenable number.

166226550424 is an abundant number, since it is smaller than the sum of its proper divisors (182822096936).

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

166226550424 is a wasteful number, since it uses less digits than its factorization.

166226550424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240112 (or 3240097 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 166226550424 in words is "one hundred sixty-six billion, two hundred twenty-six million, five hundred fifty thousand, four hundred twenty-four".