16611313552 has 40 divisors (see below), whose sum is σ = 33595885440. Its totient is φ = 7941669120.

The previous prime is 16611313519. The next prime is 16611313561. The reversal of 16611313552 is 25531311661.

16611313552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 1292277 + ... + 1305067.

It is an arithmetic number, because the mean of its divisors is an integer number (839897136).

Almost surely, 2^16611313552 is an apocalyptic number.

It is an amenable number.

16611313552 is an abundant number, since it is smaller than the sum of its proper divisors (16984571888).

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

16611313552 is a wasteful number, since it uses less digits than its factorization.

16611313552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16351 (or 16345 counting only the distinct ones).

The product of its digits is 16200, while the sum is 34.

The spelling of 16611313552 in words is "sixteen billion, six hundred eleven million, three hundred thirteen thousand, five hundred fifty-two".