16308947448640 has 896 divisors, whose sum is σ = 54374581518336. Its totient is φ = 4501094400000.

The previous prime is 16308947448637. The next prime is 16308947448671. The reversal of 16308947448640 is 4684474980361.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 587674765 + ... + 587702515.

Almost surely, 2^{16308947448640} is an apocalyptic number.

16308947448640 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 16308947448640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27187290759168).

16308947448640 is an abundant number, since it is smaller than the sum of its proper divisors (38065634069696).

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

16308947448640 is a wasteful number, since it uses less digits than its factorization.

16308947448640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27887 (or 27877 counting only the distinct ones).

The product of its (nonzero) digits is 111476736, while the sum is 64.

The spelling of 16308947448640 in words is "sixteen trillion, three hundred eight billion, nine hundred forty-seven million, four hundred forty-eight thousand, six hundred forty".