16081511460 has 192 divisors, whose sum is σ = 54780364800. Its totient is φ = 3443033088.

The previous prime is 16081511447. The next prime is 16081511461. The reversal of 16081511460 is 6411518061.

It is a super-3 number, since 3×16081511460³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (16081511461) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 698899 + ... + 721541.

It is an arithmetic number, because the mean of its divisors is an integer number (285314400).

Almost surely, 2^16081511460 is an apocalyptic number.

16081511460 is a gapful number since it is divisible by the number (10) 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 16081511460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27390182400).

16081511460 is an abundant number, since it is smaller than the sum of its proper divisors (38698853340).

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

16081511460 is a wasteful number, since it uses less digits than its factorization.

16081511460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22770 (or 22768 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The spelling of 16081511460 in words is "sixteen billion, eighty-one million, five hundred eleven thousand, four hundred sixty".