190000916128 has 24 divisors (see below), whose sum is σ = 376154059680. Its totient is φ = 94469726400.

The previous prime is 190000916117. The next prime is 190000916129. The reversal of 190000916128 is 821619000091.

It is a super-2 number, since 2×190000916128² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190000916129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16579548 + ... + 16591003.

It is an arithmetic number, because the mean of its divisors is an integer number (15673085820).

Almost surely, 2^190000916128 is an apocalyptic number.

It is an amenable number.

190000916128 is a deficient number, since it is larger than the sum of its proper divisors (186153143552).

190000916128 is a wasteful number, since it uses less digits than its factorization.

190000916128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33170740 (or 33170732 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 37.

The spelling of 190000916128 in words is "one hundred ninety billion, nine hundred sixteen thousand, one hundred twenty-eight".