2161150080 has 64 divisors (see below), whose sum is σ = 6888672000. Its totient is φ = 576306176.

The previous prime is 2161150073. The next prime is 2161150111. The reversal of 2161150080 is 800511612.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2161150080.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560880 + ... + 564719.

It is an arithmetic number, because the mean of its divisors is an integer number (107635500).

Almost surely, 2^2161150080 is an apocalyptic number.

2161150080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2161150080 is an abundant number, since it is smaller than the sum of its proper divisors (4727521920).

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

2161150080 is a wasteful number, since it uses less digits than its factorization.

2161150080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125621 (or 1125609 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 2161150080 is about 46488.1713987548. The cubic root of 2161150080 is about 1292.8901966691.

Adding to 2161150080 its reverse (800511612), we get a palindrome (2961661692).

The spelling of 2161150080 in words is "two billion, one hundred sixty-one million, one hundred fifty thousand, eighty".