16037909866440 has 1536 divisors, whose sum is σ = 68326491340800. Its totient is φ = 3315847518720.

The previous prime is 16037909866367. The next prime is 16037909866441. The reversal of 16037909866440 is 4466890973061.

16037909866440 is a `hidden beast` number, since 1 + 60 + 3 + 79 + 0 + 9 + 8 + 66 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (16037909866441) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 19487131869 + ... + 19487132691.

It is an arithmetic number, because the mean of its divisors is an integer number (44483392800).

Almost surely, 2^{16037909866440} is an apocalyptic number.

16037909866440 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 16037909866440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34163245670400).

16037909866440 is an abundant number, since it is smaller than the sum of its proper divisors (52288581474360).

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

16037909866440 is a wasteful number, since it uses less digits than its factorization.

16037909866440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147 (or 1114 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 63.

The spelling of 16037909866440 in words is "sixteen trillion, thirty-seven billion, nine hundred nine million, eight hundred sixty-six thousand, four hundred forty".