188490273638976 has 189 divisors, whose sum is σ = 561051056589699. Its totient is φ = 62827125710976.

The previous prime is 188490273638969. The next prime is 188490273638993. The reversal of 188490273638976 is 679836372094881.

It is a happy number.

The square root of 188490273638976 is 13729176.

It is a perfect power (a square), and thus also a powerful number.

188490273638976 is a `hidden beast` number, since 1 + 8 + 8 + 4 + 90 + 27 + 363 + 89 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a junction number, because it is equal to n+sod(n) for n = 188490273638895 and 188490273638904.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8896495455 + ... + 8896516641.

Almost surely, 2^{188490273638976} is an apocalyptic number.

188490273638976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

188490273638976 is the 13729176-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 188490273638976

188490273638976 is an abundant number, since it is smaller than the sum of its proper divisors (372560782950723).

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

188490273638976 is an frugal number, since it uses more digits than its factorization.

188490273638976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42410 (or 21192 counting only the distinct ones).

The product of its (nonzero) digits is 5267275776, while the sum is 81.

188490273638976 divided by its sum of digits (81) gives a square (2327040415296 = 1525464²).

The spelling of 188490273638976 in words is "one hundred eighty-eight trillion, four hundred ninety billion, two hundred seventy-three million, six hundred thirty-eight thousand, nine hundred seventy-six".