16011072 has 252 divisors, whose sum is σ = 60386976. Its totient is φ = 3939840.

The previous prime is 16011071. The next prime is 16011077. The reversal of 16011072 is 27011061.

It is a tau number, because it is divible by the number of its divisors (252).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16011071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 842679 + ... + 842697.

Almost surely, 2^16011072 is an apocalyptic number.

16011072 is a gapful number since it is divisible by the number (12) 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 16011072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30193488).

16011072 is an abundant number, since it is smaller than the sum of its proper divisors (44375904).

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

16011072 is a wasteful number, since it uses less digits than its factorization.

16011072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 16011072 is about 4001.3837606508. The cubic root of 16011072 is about 252.0423209345.

The spelling of 16011072 in words is "sixteen million, eleven thousand, seventy-two".