187728929061696 has 252 divisors, whose sum is σ = 610534700444032. Its totient is φ = 55052471232000.

The previous prime is 187728929061689. The next prime is 187728929061733. The reversal of 187728929061696 is 696160929827781.

187728929061696 is a `hidden beast` number, since 187 + 7 + 2 + 8 + 9 + 290 + 61 + 6 + 96 = 666.

187728929061696 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 35 ways as a sum of consecutive naturals, for example, 41283610 + ... + 45604761.

Almost surely, 2^{187728929061696} is an apocalyptic number.

187728929061696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

187728929061696 is an abundant number, since it is smaller than the sum of its proper divisors (422805771382336).

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

187728929061696 is a wasteful number, since it uses less digits than its factorization.

187728929061696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86888442 (or 86888418 counting only the distinct ones).

The product of its (nonzero) digits is 1975228416, while the sum is 81.

The spelling of 187728929061696 in words is "one hundred eighty-seven trillion, seven hundred twenty-eight billion, nine hundred twenty-nine million, sixty-one thousand, six hundred ninety-six".