15616545652 has 24 divisors (see below), whose sum is σ = 27658137024. Its totient is φ = 7714497792.

The previous prime is 15616545613. The next prime is 15616545673. The reversal of 15616545652 is 25654561651.

It is a happy number.

15616545652 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 7 ways as a sum of consecutive naturals, for example, 193473 + ... + 262039.

It is an arithmetic number, because the mean of its divisors is an integer number (1152422376).

Almost surely, 2^15616545652 is an apocalyptic number.

It is an amenable number.

15616545652 is a deficient number, since it is larger than the sum of its proper divisors (12041591372).

15616545652 is a wasteful number, since it uses less digits than its factorization.

15616545652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69255 (or 69253 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 46.

The spelling of 15616545652 in words is "fifteen billion, six hundred sixteen million, five hundred forty-five thousand, six hundred fifty-two".