16721153272 has 64 divisors (see below), whose sum is σ = 33199488000. Its totient is φ = 7879158144.

The previous prime is 16721153237. The next prime is 16721153291. The reversal of 16721153272 is 27235112761.

16721153272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9345754 + ... + 9347542.

It is an arithmetic number, because the mean of its divisors is an integer number (518742000).

Almost surely, 2^16721153272 is an apocalyptic number.

It is an amenable number.

16721153272 is a deficient number, since it is larger than the sum of its proper divisors (16478334728).

16721153272 is a wasteful number, since it uses less digits than its factorization.

16721153272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540 (or 2536 counting only the distinct ones).

The product of its digits is 35280, while the sum is 37.

The spelling of 16721153272 in words is "sixteen billion, seven hundred twenty-one million, one hundred fifty-three thousand, two hundred seventy-two".