16479232553280 has 896 divisors, whose sum is σ = 65487262187520. Its totient is φ = 3426028462080.

The previous prime is 16479232553279. The next prime is 16479232553317. The reversal of 16479232553280 is 8235523297461.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 16479232553280.

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, 502659769 + ... + 502692551.

It is a 1-persistent number, because it is pandigital, but 2⋅16479232553280 = 32958465106560 is not.

Almost surely, 2^{16479232553280} is an apocalyptic number.

16479232553280 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 16479232553280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32743631093760).

16479232553280 is an abundant number, since it is smaller than the sum of its proper divisors (49008029634240).

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

16479232553280 is a wasteful number, since it uses less digits than its factorization.

16479232553280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32987 (or 32977 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 57.

The spelling of 16479232553280 in words is "sixteen trillion, four hundred seventy-nine billion, two hundred thirty-two million, five hundred fifty-three thousand, two hundred eighty".