189188115933 has 8 divisors (see below), whose sum is σ = 252335966688. Its totient is φ = 126082837904.

The previous prime is 189188115923. The next prime is 189188116067. The reversal of 189188115933 is 339511881981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 189188115933 - 2⁵ = 189188115901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189188115913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10632810 + ... + 10650587.

It is an arithmetic number, because the mean of its divisors is an integer number (31541995836).

Almost surely, 2^189188115933 is an apocalyptic number.

It is an amenable number.

189188115933 is a deficient number, since it is larger than the sum of its proper divisors (63147850755).

189188115933 is a wasteful number, since it uses less digits than its factorization.

189188115933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21286363.

The product of its digits is 1866240, while the sum is 57.

The spelling of 189188115933 in words is "one hundred eighty-nine billion, one hundred eighty-eight million, one hundred fifteen thousand, nine hundred thirty-three".