16081371600 has 240 divisors, whose sum is σ = 58980367872. Its totient is φ = 3669050880.

The previous prime is 16081371589. The next prime is 16081371659. The reversal of 16081371600 is 617318061.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×16081371600² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5735799 + ... + 5738601.

Almost surely, 2^16081371600 is an apocalyptic number.

16081371600 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 16081371600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29490183936).

16081371600 is an abundant number, since it is smaller than the sum of its proper divisors (42898996272).

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

16081371600 is a wasteful number, since it uses less digits than its factorization.

16081371600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514 (or 3503 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

Adding to 16081371600 its reverse (617318061), we get a palindrome (16698689661).

The spelling of 16081371600 in words is "sixteen billion, eighty-one million, three hundred seventy-one thousand, six hundred".