188346213660 has 48 divisors (see below), whose sum is σ = 575312072832. Its totient is φ = 45659688000.

The previous prime is 188346213623. The next prime is 188346213661. The reversal of 188346213660 is 66312643881.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188346213661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142685866 + ... + 142687185.

It is an arithmetic number, because the mean of its divisors is an integer number (11985668184).

Almost surely, 2^188346213660 is an apocalyptic number.

188346213660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

188346213660 is an abundant number, since it is smaller than the sum of its proper divisors (386965859172).

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

188346213660 is a wasteful number, since it uses less digits than its factorization.

188346213660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285373074 (or 285373072 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 188346213660 in words is "one hundred eighty-eight billion, three hundred forty-six million, two hundred thirteen thousand, six hundred sixty".