16111081350 has 288 divisors, whose sum is σ = 56080577280. Its totient is φ = 3220197120.

The previous prime is 16111081313. The next prime is 16111081361. The reversal of 16111081350 is 5318011161.

It is a happy number.

16111081350 is a `hidden beast` number, since 1 + 611 + 10 + 8 + 1 + 35 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 767697 + ... + 788403.

Almost surely, 2^16111081350 is an apocalyptic number.

16111081350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16111081350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28040288640).

16111081350 is an abundant number, since it is smaller than the sum of its proper divisors (39969495930).

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

16111081350 is a wasteful number, since it uses less digits than its factorization.

16111081350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20764 (or 20756 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The spelling of 16111081350 in words is "sixteen billion, one hundred eleven million, eighty-one thousand, three hundred fifty".