16036798025 has 6 divisors (see below), whose sum is σ = 19885629582. Its totient is φ = 12829438400.

The previous prime is 16036798009. The next prime is 16036798027. The reversal of 16036798025 is 52089763061.

It can be written as a sum of positive squares in 3 ways, for example, as 568154896 + 15468643129 = 23836^2 + 124373^2 .

It is not a de Polignac number, because 16036798025 - 2⁴ = 16036798009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16036798027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 320735936 + ... + 320735985.

It is an arithmetic number, because the mean of its divisors is an integer number (3314271597).

Almost surely, 2^16036798025 is an apocalyptic number.

It is an amenable number.

16036798025 is a deficient number, since it is larger than the sum of its proper divisors (3848831557).

16036798025 is an equidigital number, since it uses as much as digits as its factorization.

16036798025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641471931 (or 641471926 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 16036798025 in words is "sixteen billion, thirty-six million, seven hundred ninety-eight thousand, twenty-five".