189649682055 has 12 divisors (see below), whose sum is σ = 328726115640. Its totient is φ = 101146497072.

The previous prime is 189649682039. The next prime is 189649682063. The reversal of 189649682055 is 550286946981.

189649682055 is a `hidden beast` number, since 1 + 8 + 96 + 496 + 8 + 2 + 0 + 55 = 666.

It is not a de Polignac number, because 189649682055 - 2⁴ = 189649682039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 189649681983 and 189649682001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2107218645 + ... + 2107218734.

It is an arithmetic number, because the mean of its divisors is an integer number (27393842970).

Almost surely, 2^189649682055 is an apocalyptic number.

189649682055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

189649682055 is a deficient number, since it is larger than the sum of its proper divisors (139076433585).

189649682055 is a wasteful number, since it uses less digits than its factorization.

189649682055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4214437390 (or 4214437387 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 63.

The spelling of 189649682055 in words is "one hundred eighty-nine billion, six hundred forty-nine million, six hundred eighty-two thousand, fifty-five".