190769045161688 has 96 divisors (see below), whose sum is σ = 423285882140160. Its totient is φ = 78922475470080.

The previous prime is 190769045161631. The next prime is 190769045161693. The reversal of 190769045161688 is 886161540967091.

190769045161688 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7225343 + ... + 20826513.

It is an arithmetic number, because the mean of its divisors is an integer number (4409227938960).

Almost surely, 2^{190769045161688} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190769045161688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211642941070080).

190769045161688 is an abundant number, since it is smaller than the sum of its proper divisors (232516836978472).

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

190769045161688 is a wasteful number, since it uses less digits than its factorization.

190769045161688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13601377 (or 13601300 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 71.

The spelling of 190769045161688 in words is "one hundred ninety trillion, seven hundred sixty-nine billion, forty-five million, one hundred sixty-one thousand, six hundred eighty-eight".