2165436354 has 8 divisors (see below), whose sum is σ = 4330872720. Its totient is φ = 721812116.

The previous prime is 2165436337. The next prime is 2165436379. The reversal of 2165436354 is 4536345612.

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

2165436354 is an admirable number.

It is a super-2 number, since 2×2165436354² = 9378229206449626632, which contains 22 as substring.

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, 180453024 + ... + 180453035.

It is an arithmetic number, because the mean of its divisors is an integer number (541359090).

Almost surely, 2^2165436354 is an apocalyptic number.

2165436354 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2165436354 is a wasteful number, since it uses less digits than its factorization.

2165436354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360906064.

The product of its digits is 259200, while the sum is 39.

The square root of 2165436354 is about 46534.2492579390. The cubic root of 2165436354 is about 1293.7443748921.

The spelling of 2165436354 in words is "two billion, one hundred sixty-five million, four hundred thirty-six thousand, three hundred fifty-four".