190172202045516 has 18 divisors (see below), whose sum is σ = 480713066281812. Its totient is φ = 63390734015160.

The previous prime is 190172202045509. The next prime is 190172202045517. The reversal of 190172202045516 is 615540202271091.

190172202045516 is a `hidden beast` number, since 1 + 9 + 0 + 1 + 72 + 2 + 0 + 20 + 4 + 551 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (190172202045517) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2641280583930 + ... + 2641280584001.

Almost surely, 2^{190172202045516} is an apocalyptic number.

It is an amenable number.

190172202045516 is an abundant number, since it is smaller than the sum of its proper divisors (290540864236296).

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

190172202045516 is a wasteful number, since it uses less digits than its factorization.

190172202045516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5282561167941 (or 5282561167936 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 190172202045516 in words is "one hundred ninety trillion, one hundred seventy-two billion, two hundred two million, forty-five thousand, five hundred sixteen".