16489970312448 has 288 divisors, whose sum is σ = 47481398157312. Its totient is φ = 5065616793600.

The previous prime is 16489970312443. The next prime is 16489970312449. The reversal of 16489970312448 is 84421307998461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16489970312443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124235238 + ... + 124367898.

It is an arithmetic number, because the mean of its divisors is an integer number (164865965824).

Almost surely, 2^{16489970312448} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16489970312448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23740699078656).

16489970312448 is an abundant number, since it is smaller than the sum of its proper divisors (30991427844864).

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

16489970312448 is a wasteful number, since it uses less digits than its factorization.

16489970312448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132961 (or 132947 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 66.

The spelling of 16489970312448 in words is "sixteen trillion, four hundred eighty-nine billion, nine hundred seventy million, three hundred twelve thousand, four hundred forty-eight".