190444946818 has 16 divisors (see below), whose sum is σ = 326483539200. Its totient is φ = 81617641056.

The previous prime is 190444946789. The next prime is 190444946819. The reversal of 190444946818 is 818649444091.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (190444946819) 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, 834358 + ... + 1037806.

It is an arithmetic number, because the mean of its divisors is an integer number (20405221200).

Almost surely, 2^190444946818 is an apocalyptic number.

190444946818 is a deficient number, since it is larger than the sum of its proper divisors (136038592382).

190444946818 is a wasteful number, since it uses less digits than its factorization.

190444946818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270321.

The product of its (nonzero) digits is 7962624, while the sum is 58.

The spelling of 190444946818 in words is "one hundred ninety billion, four hundred forty-four million, nine hundred forty-six thousand, eight hundred eighteen".