2161404150 has 48 divisors (see below), whose sum is σ = 5363269824. Its totient is φ = 576053280.

The previous prime is 2161404143. The next prime is 2161404151. The reversal of 2161404150 is 514041612.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2161404150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2161404151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 403389 + ... + 408711.

It is an arithmetic number, because the mean of its divisors is an integer number (111734788).

Almost surely, 2^2161404150 is an apocalyptic number.

2161404150 is an abundant number, since it is smaller than the sum of its proper divisors (3201865674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2161404150 is a wasteful number, since it uses less digits than its factorization.

2161404150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8045 (or 8040 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2161404150 is about 46490.9039490522. The cubic root of 2161404150 is about 1292.9408597772.

Adding to 2161404150 its reverse (514041612), we get a palindrome (2675445762).

The spelling of 2161404150 in words is "two billion, one hundred sixty-one million, four hundred four thousand, one hundred fifty".