16460625561 has 8 divisors (see below), whose sum is σ = 22194102240. Its totient is φ = 10850449632.

The previous prime is 16460625521. The next prime is 16460625607. The reversal of 16460625561 is 16552606461.

16460625561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16460625561 - 2⁶ = 16460625497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16460625521) by changing a digit.

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, 30824875 + ... + 30825408.

It is an arithmetic number, because the mean of its divisors is an integer number (2774262780).

Almost surely, 2^16460625561 is an apocalyptic number.

It is an amenable number.

16460625561 is a deficient number, since it is larger than the sum of its proper divisors (5733476679).

16460625561 is an equidigital number, since it uses as much as digits as its factorization.

16460625561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61650375.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 16460625561 in words is "sixteen billion, four hundred sixty million, six hundred twenty-five thousand, five hundred sixty-one".