190899990216 has 64 divisors (see below), whose sum is σ = 571068355200. Its totient is φ = 58738457664.

The previous prime is 190899990209. The next prime is 190899990221. The reversal of 190899990216 is 612099998091.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33989356 + ... + 33994971.

It is an arithmetic number, because the mean of its divisors is an integer number (8922943050).

Almost surely, 2^190899990216 is an apocalyptic number.

It is an amenable number.

190899990216 is an abundant number, since it is smaller than the sum of its proper divisors (380168364984).

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

190899990216 is a wasteful number, since it uses less digits than its factorization.

190899990216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67984355 (or 67984345 counting only the distinct ones).

The product of its (nonzero) digits is 5668704, while the sum is 63.

The spelling of 190899990216 in words is "one hundred ninety billion, eight hundred ninety-nine million, nine hundred ninety thousand, two hundred sixteen".