188613978956934 has 16 divisors (see below), whose sum is σ = 377251253850672. Its totient is φ = 62867443662848.

The previous prime is 188613978956869. The next prime is 188613978956957. The reversal of 188613978956934 is 439659879316881.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 970558779 + ... + 970753094.

It is an arithmetic number, because the mean of its divisors is an integer number (23578203365667).

Almost surely, 2^{188613978956934} is an apocalyptic number.

188613978956934 is an abundant number, since it is smaller than the sum of its proper divisors (188637274893738).

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

188613978956934 is a wasteful number, since it uses less digits than its factorization.

188613978956934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941328071.

The product of its digits is 16930529280, while the sum is 87.

The spelling of 188613978956934 in words is "one hundred eighty-eight trillion, six hundred thirteen billion, nine hundred seventy-eight million, nine hundred fifty-six thousand, nine hundred thirty-four".