16485141553 has 12 divisors (see below), whose sum is σ = 18077517900. Its totient is φ = 14980399616.

The previous prime is 16485141521. The next prime is 16485141581. The reversal of 16485141553 is 35514158461.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 98069409 + 16387072144 = 9903^2 + 128012^2 .

It is not a de Polignac number, because 16485141553 - 2⁵ = 16485141521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16485141583) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 562228 + ... + 590821.

It is an arithmetic number, because the mean of its divisors is an integer number (1506459825).

Almost surely, 2^16485141553 is an apocalyptic number.

It is an amenable number.

16485141553 is a deficient number, since it is larger than the sum of its proper divisors (1592376347).

16485141553 is a wasteful number, since it uses less digits than its factorization.

16485141553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153124 (or 1153095 counting only the distinct ones).

The product of its digits is 288000, while the sum is 43.

The spelling of 16485141553 in words is "sixteen billion, four hundred eighty-five million, one hundred forty-one thousand, five hundred fifty-three".