189663976046 has 8 divisors (see below), whose sum is σ = 284513200704. Its totient is φ = 94826242480.

The previous prime is 189663976003. The next prime is 189663976081. The reversal of 189663976046 is 640679366981.

189663976046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2831390 + ... + 2897601.

It is an arithmetic number, because the mean of its divisors is an integer number (35564150088).

Almost surely, 2^189663976046 is an apocalyptic number.

189663976046 is a deficient number, since it is larger than the sum of its proper divisors (94849224658).

189663976046 is a wasteful number, since it uses less digits than its factorization.

189663976046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5745546.

The product of its (nonzero) digits is 70543872, while the sum is 65.

The spelling of 189663976046 in words is "one hundred eighty-nine billion, six hundred sixty-three million, nine hundred seventy-six thousand, forty-six".