16105561576552 has 64 divisors (see below), whose sum is σ = 36459484272000. Its totient is φ = 6515493209856.

The previous prime is 16105561576523. The next prime is 16105561576579. The reversal of 16105561576552 is 25567516550161.

It is a super-2 number, since 2×16105561576552² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16105561576493 and 16105561576502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27028027 + ... + 27617482.

It is an arithmetic number, because the mean of its divisors is an integer number (569679441750).

Almost surely, 2^{16105561576552} is an apocalyptic number.

It is an amenable number.

16105561576552 is an abundant number, since it is smaller than the sum of its proper divisors (20353922695448).

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

16105561576552 is a wasteful number, since it uses less digits than its factorization.

16105561576552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54645818 (or 54645814 counting only the distinct ones).

The product of its (nonzero) digits is 9450000, while the sum is 55.

The spelling of 16105561576552 in words is "sixteen trillion, one hundred five billion, five hundred sixty-one million, five hundred seventy-six thousand, five hundred fifty-two".