16455455461 has 4 divisors (see below), whose sum is σ = 16460106124. Its totient is φ = 16450804800.

The previous prime is 16455455459. The next prime is 16455455479.

16455455461 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7233502500 + 9221952961 = 85050^2 + 96031^2 .

It is a cyclic number.

It is not a de Polignac number, because 16455455461 - 2¹ = 16455455459 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 (16455455491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2320020 + ... + 2327101.

It is an arithmetic number, because the mean of its divisors is an integer number (4115026531).

Almost surely, 2^16455455461 is an apocalyptic number.

It is an amenable number.

16455455461 is a deficient number, since it is larger than the sum of its proper divisors (4650663).

16455455461 is an equidigital number, since it uses as much as digits as its factorization.

16455455461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4650662.

The product of its digits is 1440000, while the sum is 46.

The spelling of 16455455461 in words is "sixteen billion, four hundred fifty-five million, four hundred fifty-five thousand, four hundred sixty-one".