189610956194 has 32 divisors (see below), whose sum is σ = 314279792640. Its totient is φ = 85074210000.

The previous prime is 189610956193. The next prime is 189610956307. The reversal of 189610956194 is 491659016981.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (189610956193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8245757 + ... + 8268719.

It is an arithmetic number, because the mean of its divisors is an integer number (9821243520).

Almost surely, 2^189610956194 is an apocalyptic number.

189610956194 is a deficient number, since it is larger than the sum of its proper divisors (124668836446).

189610956194 is a wasteful number, since it uses less digits than its factorization.

189610956194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27806.

The product of its (nonzero) digits is 4199040, while the sum is 59.

The spelling of 189610956194 in words is "one hundred eighty-nine billion, six hundred ten million, nine hundred fifty-six thousand, one hundred ninety-four".