16417377553 has 2 divisors, whose sum is σ = 16417377554. Its totient is φ = 16417377552.

The previous prime is 16417377527. The next prime is 16417377611. The reversal of 16417377553 is 35577371461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16402693329 + 14684224 = 128073^2 + 3832^2 .

It is a cyclic number.

It is not a de Polignac number, because 16417377553 - 2¹⁷ = 16417246481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16417377497 and 16417377506.

It is not a weakly prime, because it can be changed into another prime (16417374553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8208688776 + 8208688777.

It is an arithmetic number, because the mean of its divisors is an integer number (8208688777).

Almost surely, 2^16417377553 is an apocalyptic number.

It is an amenable number.

16417377553 is a deficient number, since it is larger than the sum of its proper divisors (1).

16417377553 is an equidigital number, since it uses as much as digits as its factorization.

16417377553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1852200, while the sum is 49.

The spelling of 16417377553 in words is "sixteen billion, four hundred seventeen million, three hundred seventy-seven thousand, five hundred fifty-three".