2165127330 has 32 divisors (see below), whose sum is σ = 5469796800. Its totient is φ = 546979392.

The previous prime is 2165127329. The next prime is 2165127343. The reversal of 2165127330 is 337215612.

It is a super-2 number, since 2×2165127330² = 9375552710225857800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1898665 + ... + 1899804.

It is an arithmetic number, because the mean of its divisors is an integer number (170931150).

Almost surely, 2^2165127330 is an apocalyptic number.

2165127330 is an abundant number, since it is smaller than the sum of its proper divisors (3304669470).

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

2165127330 is a wasteful number, since it uses less digits than its factorization.

2165127330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3798498.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 2165127330 is about 46530.9287463726. The cubic root of 2165127330 is about 1293.6828296243.

The spelling of 2165127330 in words is "two billion, one hundred sixty-five million, one hundred twenty-seven thousand, three hundred thirty".