16483646681225 has 6 divisors (see below), whose sum is σ = 20439721884750. Its totient is φ = 13186917344960.

The previous prime is 16483646681219. The next prime is 16483646681251. The reversal of 16483646681225 is 52218664638461.

It can be written as a sum of positive squares in 3 ways, for example, as 454129079881 + 16029517601344 = 673891^2 + 4003688^2 .

It is not a de Polignac number, because 16483646681225 - 2²⁸ = 16483378245769 is a prime.

It is a super-2 number, since 2×16483646681225² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 329672933600 + ... + 329672933649.

It is an arithmetic number, because the mean of its divisors is an integer number (3406620314125).

Almost surely, 2^{16483646681225} is an apocalyptic number.

It is an amenable number.

16483646681225 is a deficient number, since it is larger than the sum of its proper divisors (3956075203525).

16483646681225 is an equidigital number, since it uses as much as digits as its factorization.

16483646681225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659345867259 (or 659345867254 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 62.

The spelling of 16483646681225 in words is "sixteen trillion, four hundred eighty-three billion, six hundred forty-six million, six hundred eighty-one thousand, two hundred twenty-five".