190845894392 has 16 divisors (see below), whose sum is σ = 366563761200. Its totient is φ = 93095558080.

The previous prime is 190845894367. The next prime is 190845894401. The reversal of 190845894392 is 293498548091.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290923292 + ... + 290923947.

It is an arithmetic number, because the mean of its divisors is an integer number (22910235075).

Almost surely, 2^190845894392 is an apocalyptic number.

It is an amenable number.

190845894392 is a deficient number, since it is larger than the sum of its proper divisors (175717866808).

190845894392 is a wasteful number, since it uses less digits than its factorization.

190845894392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581847286 (or 581847282 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 62.

The spelling of 190845894392 in words is "one hundred ninety billion, eight hundred forty-five million, eight hundred ninety-four thousand, three hundred ninety-two".