16084297440 has 192 divisors, whose sum is σ = 58743014400. Its totient is φ = 4102636032.

The previous prime is 16084297387. The next prime is 16084297451. The reversal of 16084297440 is 4479248061.

16084297440 is a `hidden beast` number, since 160 + 8 + 42 + 9 + 7 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 18421 + ... + 180299.

It is an arithmetic number, because the mean of its divisors is an integer number (305953200).

Almost surely, 2^16084297440 is an apocalyptic number.

16084297440 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 16084297440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29371507200).

16084297440 is an abundant number, since it is smaller than the sum of its proper divisors (42658716960).

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

16084297440 is a wasteful number, since it uses less digits than its factorization.

16084297440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161926 (or 161912 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 16084297440 in words is "sixteen billion, eighty-four million, two hundred ninety-seven thousand, four hundred forty".