16115543652 has 96 divisors (see below), whose sum is σ = 45134409600. Its totient is φ = 4421302272.

The previous prime is 16115543623. The next prime is 16115543677. The reversal of 16115543652 is 25634551161.

16115543652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 16115543652.

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 31 ways as a sum of consecutive naturals, for example, 109527 + ... + 210302.

It is an arithmetic number, because the mean of its divisors is an integer number (470150100).

Almost surely, 2^16115543652 is an apocalyptic number.

16115543652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16115543652 is an abundant number, since it is smaller than the sum of its proper divisors (29018865948).

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

16115543652 is a wasteful number, since it uses less digits than its factorization.

16115543652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319885 (or 319883 counting only the distinct ones).

The product of its digits is 108000, while the sum is 39.

The spelling of 16115543652 in words is "sixteen billion, one hundred fifteen million, five hundred forty-three thousand, six hundred fifty-two".