2165326792 has 32 divisors (see below), whose sum is σ = 4311525600. Its totient is φ = 1016596224.

The previous prime is 2165326783. The next prime is 2165326799. The reversal of 2165326792 is 2976235612.

It is a super-2 number, since 2×2165326792² = 9377280232306022528, which contains 22 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2165326799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45858 + ... + 80209.

It is an arithmetic number, because the mean of its divisors is an integer number (134735175).

Almost surely, 2^2165326792 is an apocalyptic number.

It is an amenable number.

2165326792 is a deficient number, since it is larger than the sum of its proper divisors (2146198808).

2165326792 is a wasteful number, since it uses less digits than its factorization.

2165326792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126205 (or 126201 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The square root of 2165326792 is about 46533.0720240992. The cubic root of 2165326792 is about 1293.7225551772.

The spelling of 2165326792 in words is "two billion, one hundred sixty-five million, three hundred twenty-six thousand, seven hundred ninety-two".