2165140150 has 24 divisors (see below), whose sum is σ = 4028898384. Its totient is φ = 865682400.

The previous prime is 2165140141. The next prime is 2165140163. The reversal of 2165140150 is 510415612.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127564 + ... + 143536.

It is an arithmetic number, because the mean of its divisors is an integer number (167870766).

Almost surely, 2^2165140150 is an apocalyptic number.

2165140150 is a deficient number, since it is larger than the sum of its proper divisors (1863758234).

2165140150 is a wasteful number, since it uses less digits than its factorization.

2165140150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18696 (or 18691 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 2165140150 is about 46531.0665040035. The cubic root of 2165140150 is about 1293.6853829739.

Adding to 2165140150 its reverse (510415612), we get a palindrome (2675555762).

The spelling of 2165140150 in words is "two billion, one hundred sixty-five million, one hundred forty thousand, one hundred fifty".