190911212016 has 120 divisors (see below), whose sum is σ = 573850128384. Its totient is φ = 54532517760.

The previous prime is 190911212003. The next prime is 190911212021. The reversal of 190911212016 is 610212119091.

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, 13076881 + ... + 13091471.

Almost surely, 2^190911212016 is an apocalyptic number.

190911212016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190911212016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286925064192).

190911212016 is an abundant number, since it is smaller than the sum of its proper divisors (382938916368).

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

190911212016 is a wasteful number, since it uses less digits than its factorization.

190911212016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20179 (or 20166 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 33.

The spelling of 190911212016 in words is "one hundred ninety billion, nine hundred eleven million, two hundred twelve thousand, sixteen".