16011385600 has 432 divisors, whose sum is σ = 48541893120. Its totient is φ = 5109350400.

The previous prime is 16011385573. The next prime is 16011385609. The reversal of 16011385600 is 658311061.

It is not an unprimeable number, because it can be changed into a prime (16011385609) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42246211 + ... + 42246589.

Almost surely, 2^16011385600 is an apocalyptic number.

16011385600 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 16011385600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24270946560).

16011385600 is an abundant number, since it is smaller than the sum of its proper divisors (32530507520).

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

16011385600 is a wasteful number, since it uses less digits than its factorization.

16011385600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

Adding to 16011385600 its reverse (658311061), we get a palindrome (16669696661).

The spelling of 16011385600 in words is "sixteen billion, eleven million, three hundred eighty-five thousand, six hundred".