2165674430 has 16 divisors (see below), whose sum is σ = 3900267504. Its totient is φ = 865813440.

The previous prime is 2165674391. The next prime is 2165674451. The reversal of 2165674430 is 344765612.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36767 + ... + 75386.

It is an arithmetic number, because the mean of its divisors is an integer number (243766719).

Almost surely, 2^2165674430 is an apocalyptic number.

2165674430 is a deficient number, since it is larger than the sum of its proper divisors (1734593074).

2165674430 is a wasteful number, since it uses less digits than its factorization.

2165674430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114091.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 2165674430 is about 46536.8072604901. The cubic root of 2165674430 is about 1293.7917861522.

The spelling of 2165674430 in words is "two billion, one hundred sixty-five million, six hundred seventy-four thousand, four hundred thirty".