16003751040 has 512 divisors, whose sum is σ = 60570374400. Its totient is φ = 3979542528.

The previous prime is 16003751039. The next prime is 16003751047. The reversal of 16003751040 is 4015730061.

16003751040 is a `hidden beast` number, since 1 + 600 + 3 + 7 + 5 + 10 + 40 = 666.

It is a super-2 number, since 2×16003751040² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 16003750995 and 16003751013.

It is not an unprimeable number, because it can be changed into a prime (16003751047) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46120147 + ... + 46120493.

Almost surely, 2^16003751040 is an apocalyptic number.

16003751040 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 16003751040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30285187200).

16003751040 is an abundant number, since it is smaller than the sum of its proper divisors (44566623360).

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

16003751040 is a wasteful number, since it uses less digits than its factorization.

16003751040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The spelling of 16003751040 in words is "sixteen billion, three million, seven hundred fifty-one thousand, forty".