16513561034 has 4 divisors (see below), whose sum is σ = 24770341554. Its totient is φ = 8256780516.

The previous prime is 16513561003. The next prime is 16513561069. The reversal of 16513561034 is 43016531561.

16513561034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13594860409 + 2918700625 = 116597^2 + 54025^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16513560985 and 16513561003.

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 as a sum of consecutive naturals, namely, 4128390257 + ... + 4128390260.

Almost surely, 2^16513561034 is an apocalyptic number.

16513561034 is a deficient number, since it is larger than the sum of its proper divisors (8256780520).

16513561034 is an equidigital number, since it uses as much as digits as its factorization.

16513561034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8256780519.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 16513561034 in words is "sixteen billion, five hundred thirteen million, five hundred sixty-one thousand, thirty-four".