16530733628 has 12 divisors (see below), whose sum is σ = 30451351560. Its totient is φ = 7830347472.

The previous prime is 16530733621. The next prime is 16530733633. The reversal of 16530733628 is 82633703561.

It is a super-3 number, since 3×16530733628³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16530733621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108754751 + ... + 108754902.

It is an arithmetic number, because the mean of its divisors is an integer number (2537612630).

Almost surely, 2^16530733628 is an apocalyptic number.

It is an amenable number.

16530733628 is a deficient number, since it is larger than the sum of its proper divisors (13920617932).

16530733628 is a wasteful number, since it uses less digits than its factorization.

16530733628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217509676 (or 217509674 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 16530733628 in words is "sixteen billion, five hundred thirty million, seven hundred thirty-three thousand, six hundred twenty-eight".