2164150125 has 24 divisors (see below), whose sum is σ = 3901243320. Its totient is φ = 1154212800.

The previous prime is 2164150117. The next prime is 2164150169. The reversal of 2164150125 is 5210514612.

2164150125 is a `hidden beast` number, since 2 + 1 + 641 + 5 + 0 + 12 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 384238404 + 1779911721 = 19602^2 + 42189^2 .

It is not a de Polignac number, because 2164150125 - 2³ = 2164150117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 960720 + ... + 962969.

It is an arithmetic number, because the mean of its divisors is an integer number (162551805).

Almost surely, 2^2164150125 is an apocalyptic number.

2164150125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2164150125 is a deficient number, since it is larger than the sum of its proper divisors (1737093195).

2164150125 is a wasteful number, since it uses less digits than its factorization.

2164150125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923710 (or 1923697 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 2164150125 is about 46520.4269649366. The cubic root of 2164150125 is about 1293.4881707771.

Adding to 2164150125 its reverse (5210514612), we get a palindrome (7374664737).

The spelling of 2164150125 in words is "two billion, one hundred sixty-four million, one hundred fifty thousand, one hundred twenty-five".