16455454577 has 2 divisors, whose sum is σ = 16455454578. Its totient is φ = 16455454576.

The previous prime is 16455454553. The next prime is 16455454607. The reversal of 16455454577 is 77545455461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11898664561 + 4556790016 = 109081^2 + 67504^2 .

It is a cyclic number.

It is not a de Polignac number, because 16455454577 - 2⁶ = 16455454513 is a prime.

It is not a weakly prime, because it can be changed into another prime (16455454537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8227727288 + 8227727289.

It is an arithmetic number, because the mean of its divisors is an integer number (8227727289).

Almost surely, 2^16455454577 is an apocalyptic number.

It is an amenable number.

16455454577 is a deficient number, since it is larger than the sum of its proper divisors (1).

16455454577 is an equidigital number, since it uses as much as digits as its factorization.

16455454577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760000, while the sum is 53.

The spelling of 16455454577 in words is "sixteen billion, four hundred fifty-five million, four hundred fifty-four thousand, five hundred seventy-seven".