190995284680 has 16 divisors (see below), whose sum is σ = 429739390620. Its totient is φ = 76398113856.

The previous prime is 190995284647. The next prime is 190995284681. The reversal of 190995284680 is 86482599091.

It can be written as a sum of positive squares in 2 ways, for example, as 180500921316 + 10494363364 = 424854^2 + 102442^2 .

It is not an unprimeable number, because it can be changed into a prime (190995284681) 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, 2387441019 + ... + 2387441098.

Almost surely, 2^190995284680 is an apocalyptic number.

190995284680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190995284680 is an abundant number, since it is smaller than the sum of its proper divisors (238744105940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190995284680 is a wasteful number, since it uses less digits than its factorization.

190995284680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4774882128 (or 4774882124 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 61.

The spelling of 190995284680 in words is "one hundred ninety billion, nine hundred ninety-five million, two hundred eighty-four thousand, six hundred eighty".