16011544450 has 24 divisors (see below), whose sum is σ = 32488880400. Its totient is φ = 5822379600.

The previous prime is 16011544343. The next prime is 16011544453. The reversal of 16011544450 is 5444511061.

It is not an unprimeable number, because it can be changed into a prime (16011544453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14555400 + ... + 14556499.

It is an arithmetic number, because the mean of its divisors is an integer number (1353703350).

Almost surely, 2^16011544450 is an apocalyptic number.

16011544450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16011544450 is an abundant number, since it is smaller than the sum of its proper divisors (16477335950).

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

16011544450 is a wasteful number, since it uses less digits than its factorization.

16011544450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29111922 (or 29111917 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 16011544450 in words is "sixteen billion, eleven million, five hundred forty-four thousand, four hundred fifty".