188120680254 has 96 divisors (see below), whose sum is σ = 462921863040. Its totient is φ = 56902100832.

The previous prime is 188120680229. The next prime is 188120680277. The reversal of 188120680254 is 452086021881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 120429 + ... + 625095.

It is an arithmetic number, because the mean of its divisors is an integer number (4822102740).

Almost surely, 2^188120680254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 188120680254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231460931520).

188120680254 is an abundant number, since it is smaller than the sum of its proper divisors (274801182786).

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

188120680254 is a wasteful number, since it uses less digits than its factorization.

188120680254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504756 (or 504744 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The spelling of 188120680254 in words is "one hundred eighty-eight billion, one hundred twenty million, six hundred eighty thousand, two hundred fifty-four".