2025161636 has 12 divisors (see below), whose sum is σ = 3547418700. Its totient is φ = 1011613440.

The previous prime is 2025161629. The next prime is 2025161639. The reversal of 2025161636 is 6361615202.

It can be written as a sum of positive squares in 2 ways, for example, as 1692828736 + 332332900 = 41144^2 + 18230^2 .

It is not an unprimeable number, because it can be changed into a prime (2025161639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237125 + ... + 245516.

It is an arithmetic number, because the mean of its divisors is an integer number (295618225).

Almost surely, 2^2025161636 is an apocalyptic number.

It is an amenable number.

2025161636 is a deficient number, since it is larger than the sum of its proper divisors (1522257064).

2025161636 is a wasteful number, since it uses less digits than its factorization.

2025161636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483694 (or 483692 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 2025161636 is about 45001.7959197186. The cubic root of 2025161636 is about 1265.1826585588.

Adding to 2025161636 its reverse (6361615202), we get a palindrome (8386776838).

The spelling of 2025161636 in words is "two billion, twenty-five million, one hundred sixty-one thousand, six hundred thirty-six".