4025623161 has 16 divisors (see below), whose sum is σ = 6135868800. Its totient is φ = 2299761408.

The previous prime is 4025623127. The next prime is 4025623177. The reversal of 4025623161 is 1613265204.

It is not a de Polignac number, because 4025623161 - 2⁹ = 4025622649 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4025623061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66145 + ... + 111473.

It is an arithmetic number, because the mean of its divisors is an integer number (383491800).

Almost surely, 2^4025623161 is an apocalyptic number.

It is an amenable number.

4025623161 is a deficient number, since it is larger than the sum of its proper divisors (2110245639).

4025623161 is a wasteful number, since it uses less digits than its factorization.

4025623161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49568.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 4025623161 is about 63447.7987088599. The cubic root of 4025623161 is about 1590.7833594925.

Adding to 4025623161 its reverse (1613265204), we get a palindrome (5638888365).

The spelling of 4025623161 in words is "four billion, twenty-five million, six hundred twenty-three thousand, one hundred sixty-one".