138298025166 has 32 divisors (see below), whose sum is σ = 316120934400. Its totient is φ = 39512326176.

The previous prime is 138298025123. The next prime is 138298025183. The reversal of 138298025166 is 661520892831.

138298025166 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 15 ways as a sum of consecutive naturals, for example, 2015820 + ... + 2083296.

It is an arithmetic number, because the mean of its divisors is an integer number (9878779200).

Almost surely, 2^138298025166 is an apocalyptic number.

138298025166 is an abundant number, since it is smaller than the sum of its proper divisors (177822909234).

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

138298025166 is a wasteful number, since it uses less digits than its factorization.

138298025166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116288.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 138298025166 in words is "one hundred thirty-eight billion, two hundred ninety-eight million, twenty-five thousand, one hundred sixty-six".