16417778053 has 4 divisors (see below), whose sum is σ = 16568399980. Its totient is φ = 16267156128.

The previous prime is 16417777997. The next prime is 16417778071. The reversal of 16417778053 is 35087771461.

16417778053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11310960609 + 5106817444 = 106353^2 + 71462^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16417778053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16417777988 and 16417778006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16417778093) 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 3 ways as a sum of consecutive naturals, for example, 75310800 + ... + 75311017.

It is an arithmetic number, because the mean of its divisors is an integer number (4142099995).

Almost surely, 2^16417778053 is an apocalyptic number.

It is an amenable number.

16417778053 is a deficient number, since it is larger than the sum of its proper divisors (150621927).

16417778053 is a wasteful number, since it uses less digits than its factorization.

16417778053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150621926.

The product of its (nonzero) digits is 987840, while the sum is 49.

The spelling of 16417778053 in words is "sixteen billion, four hundred seventeen million, seven hundred seventy-eight thousand, fifty-three".