16520796842424 has 64 divisors (see below), whose sum is σ = 49254549603840. Its totient is φ = 4515000378240.

The previous prime is 16520796842423. The next prime is 16520796842443. The reversal of 16520796842424 is 42424869702561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16520796842423) 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, 2137780407 + ... + 2137788134.

It is an arithmetic number, because the mean of its divisors is an integer number (769602337560).

Almost surely, 2^{16520796842424} is an apocalyptic number.

16520796842424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16520796842424 is an abundant number, since it is smaller than the sum of its proper divisors (32733752761416).

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

16520796842424 is a wasteful number, since it uses less digits than its factorization.

16520796842424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4275568580 (or 4275568576 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 60.

The spelling of 16520796842424 in words is "sixteen trillion, five hundred twenty billion, seven hundred ninety-six million, eight hundred forty-two thousand, four hundred twenty-four".