190193613128 has 16 divisors (see below), whose sum is σ = 356617957500. Its totient is φ = 95095491136.

The previous prime is 190193613119. The next prime is 190193613143. The reversal of 190193613128 is 821316391091.

It can be written as a sum of positive squares in 2 ways, for example, as 159553911364 + 30639701764 = 399442^2 + 175042^2 .

It is a super-2 number, since 2×190193613128² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 747698 + ... + 969246.

Almost surely, 2^190193613128 is an apocalyptic number.

It is an amenable number.

190193613128 is a deficient number, since it is larger than the sum of its proper divisors (166424344372).

190193613128 is a wasteful number, since it uses less digits than its factorization.

190193613128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328864 (or 328860 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 44.

The spelling of 190193613128 in words is "one hundred ninety billion, one hundred ninety-three million, six hundred thirteen thousand, one hundred twenty-eight".