16730244544 has 112 divisors (see below), whose sum is σ = 38478537216. Its totient is φ = 7147929600.

The previous prime is 16730244533. The next prime is 16730244547. The reversal of 16730244544 is 44544203761.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16730244497 and 16730244506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16730244547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 853089 + ... + 872479.

It is an arithmetic number, because the mean of its divisors is an integer number (343558368).

Almost surely, 2^16730244544 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 16730244544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19239268608).

16730244544 is an abundant number, since it is smaller than the sum of its proper divisors (21748292672).

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

16730244544 is a wasteful number, since it uses less digits than its factorization.

16730244544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19494 (or 19484 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 40.

The spelling of 16730244544 in words is "sixteen billion, seven hundred thirty million, two hundred forty-four thousand, five hundred forty-four".