5440646165 has 32 divisors (see below), whose sum is σ = 6960307200. Its totient is φ = 4075868160.

The previous prime is 5440646161. The next prime is 5440646173. The reversal of 5440646165 is 5616460445.

It is not a de Polignac number, because 5440646165 - 2² = 5440646161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440646161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 722741 + ... + 730229.

It is an arithmetic number, because the mean of its divisors is an integer number (217509600).

Almost surely, 2^5440646165 is an apocalyptic number.

It is an amenable number.

5440646165 is a deficient number, since it is larger than the sum of its proper divisors (1519661035).

5440646165 is a wasteful number, since it uses less digits than its factorization.

5440646165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7677.

The product of its (nonzero) digits is 345600, while the sum is 41.

The square root of 5440646165 is about 73760.7359304393. The cubic root of 5440646165 is about 1758.8015003575.

The spelling of 5440646165 in words is "five billion, four hundred forty million, six hundred forty-six thousand, one hundred sixty-five".