2165465326 has 8 divisors (see below), whose sum is σ = 3296678760. Its totient is φ = 1066572408.

The previous prime is 2165465317. The next prime is 2165465369. The reversal of 2165465326 is 6235645612.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8079961 + ... + 8080228.

It is an arithmetic number, because the mean of its divisors is an integer number (412084845).

Almost surely, 2^2165465326 is an apocalyptic number.

2165465326 is a deficient number, since it is larger than the sum of its proper divisors (1131213434).

2165465326 is a wasteful number, since it uses less digits than its factorization.

2165465326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16160258.

The product of its digits is 259200, while the sum is 40.

The square root of 2165465326 is about 46534.5605544954. The cubic root of 2165465326 is about 1293.7501446599.

The spelling of 2165465326 in words is "two billion, one hundred sixty-five million, four hundred sixty-five thousand, three hundred twenty-six".