2165733448 has 16 divisors (see below), whose sum is σ = 4117944960. Its totient is φ = 1067614800.

The previous prime is 2165733443. The next prime is 2165733457. The reversal of 2165733448 is 8443375612.

It is not an unprimeable number, because it can be changed into a prime (2165733443) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1905888 + ... + 1907023.

It is an arithmetic number, because the mean of its divisors is an integer number (257371560).

Almost surely, 2^2165733448 is an apocalyptic number.

It is an amenable number.

2165733448 is a deficient number, since it is larger than the sum of its proper divisors (1952211512).

2165733448 is a wasteful number, since it uses less digits than its factorization.

2165733448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812988 (or 3812984 counting only the distinct ones).

The product of its digits is 483840, while the sum is 43.

The square root of 2165733448 is about 46537.4413563960. The cubic root of 2165733448 is about 1293.8035386589.

The spelling of 2165733448 in words is "two billion, one hundred sixty-five million, seven hundred thirty-three thousand, four hundred forty-eight".