16533530013320 has 128 divisors (see below), whose sum is σ = 37570500000000. Its totient is φ = 6547943549952.

The previous prime is 16533530013307. The next prime is 16533530013337. The reversal of 16533530013320 is 2331003533561.

It is a super-2 number, since 2×16533530013320² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2875893806 + ... + 2875899554.

It is an arithmetic number, because the mean of its divisors is an integer number (293519531250).

Almost surely, 2^{16533530013320} is an apocalyptic number.

16533530013320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16533530013320 is an abundant number, since it is smaller than the sum of its proper divisors (21036969986680).

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

16533530013320 is a wasteful number, since it uses less digits than its factorization.

16533530013320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7375 (or 7371 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 35.

Adding to 16533530013320 its reverse (2331003533561), we get a palindrome (18864533546881).

The spelling of 16533530013320 in words is "sixteen trillion, five hundred thirty-three billion, five hundred thirty million, thirteen thousand, three hundred twenty".