188494671881086 has 32 divisors (see below), whose sum is σ = 303845675519520. Its totient is φ = 87378432362496.

The previous prime is 188494671881081. The next prime is 188494671881099. The reversal of 188494671881086 is 680188176494881.

It is a junction number, because it is equal to n+sod(n) for n = 188494671880997 and 188494671881015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188494671881081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218231926 + ... + 219093958.

It is an arithmetic number, because the mean of its divisors is an integer number (9495177359985).

Almost surely, 2^{188494671881086} is an apocalyptic number.

188494671881086 is a deficient number, since it is larger than the sum of its proper divisors (115351003638434).

188494671881086 is a wasteful number, since it uses less digits than its factorization.

188494671881086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958108.

The product of its (nonzero) digits is 1189085184, while the sum is 79.

The spelling of 188494671881086 in words is "one hundred eighty-eight trillion, four hundred ninety-four billion, six hundred seventy-one million, eight hundred eighty-one thousand, eighty-six".