16011966528 has 168 divisors, whose sum is σ = 49513635288. Its totient is φ = 4928421888.

The previous prime is 16011966527. The next prime is 16011966541. The reversal of 16011966528 is 82566911061.

16011966528 is a `hidden beast` number, since 1 + 6 + 0 + 119 + 6 + 6 + 528 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2757510144 + 13254456384 = 52512^2 + 115128^2 .

It is not an unprimeable number, because it can be changed into a prime (16011966527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 503550 + ... + 534402.

Almost surely, 2^16011966528 is an apocalyptic number.

16011966528 is a gapful number since it is divisible by the number (18) 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 16011966528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24756817644).

16011966528 is an abundant number, since it is smaller than the sum of its proper divisors (33501668760).

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

16011966528 is a wasteful number, since it uses less digits than its factorization.

16011966528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30941 (or 30928 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 16011966528 in words is "sixteen billion, eleven million, nine hundred sixty-six thousand, five hundred twenty-eight".