16071533440 has 256 divisors, whose sum is σ = 42401905920. Its totient is φ = 5800198144.

The previous prime is 16071533419. The next prime is 16071533459. The reversal of 16071533440 is 4433517061.

It is a super-2 number, since 2×16071533440² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 16071533396 and 16071533405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27101784 + ... + 27102376.

It is an arithmetic number, because the mean of its divisors is an integer number (165632445).

Almost surely, 2^16071533440 is an apocalyptic number.

16071533440 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 16071533440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21200952960).

16071533440 is an abundant number, since it is smaller than the sum of its proper divisors (26330372480).

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

16071533440 is a wasteful number, since it uses less digits than its factorization.

16071533440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 16071533440 in words is "sixteen billion, seventy-one million, five hundred thirty-three thousand, four hundred forty".