16456265461 has 4 divisors (see below), whose sum is σ = 16574656000. Its totient is φ = 16337874924.

The previous prime is 16456265453. The next prime is 16456265467.

16456265461 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16456265461 - 2³ = 16456265453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16456265467) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 59195061 + ... + 59195338.

It is an arithmetic number, because the mean of its divisors is an integer number (4143664000).

Almost surely, 2^16456265461 is an apocalyptic number.

It is an amenable number.

16456265461 is a deficient number, since it is larger than the sum of its proper divisors (118390539).

16456265461 is a wasteful number, since it uses less digits than its factorization.

16456265461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118390538.

The product of its digits is 1036800, while the sum is 46.

The spelling of 16456265461 in words is "sixteen billion, four hundred fifty-six million, two hundred sixty-five thousand, four hundred sixty-one".