16429547061625 has 16 divisors (see below), whose sum is σ = 20622595423248. Its totient is φ = 13067662848000.

The previous prime is 16429547061623. The next prime is 16429547061643. The reversal of 16429547061625 is 52616074592461.

It can be written as a sum of positive squares in 8 ways, for example, as 1053965050384 + 15375582011241 = 1026628^2 + 3921171^2 .

It is not a de Polignac number, because 16429547061625 - 2¹ = 16429547061623 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16429547061625.

It is not an unprimeable number, because it can be changed into a prime (16429547061623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379852296 + ... + 379895545.

It is an arithmetic number, because the mean of its divisors is an integer number (1288912213953).

Almost surely, 2^{16429547061625} is an apocalyptic number.

It is an amenable number.

16429547061625 is a deficient number, since it is larger than the sum of its proper divisors (4193048361623).

16429547061625 is an equidigital number, since it uses as much as digits as its factorization.

16429547061625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759748029 (or 759748019 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 58.

The spelling of 16429547061625 in words is "sixteen trillion, four hundred twenty-nine billion, five hundred forty-seven million, sixty-one thousand, six hundred twenty-five".