5645461165 has 32 divisors (see below), whose sum is σ = 7298334720. Its totient is φ = 4178723904.

The previous prime is 5645461141. The next prime is 5645461177. The reversal of 5645461165 is 5611645465.

It is a cyclic number.

It is not a de Polignac number, because 5645461165 - 2⁷ = 5645461037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2709214 + ... + 2711296.

It is an arithmetic number, because the mean of its divisors is an integer number (228072960).

Almost surely, 2^5645461165 is an apocalyptic number.

It is an amenable number.

5645461165 is a deficient number, since it is larger than the sum of its proper divisors (1652873555).

5645461165 is a wasteful number, since it uses less digits than its factorization.

5645461165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761.

The product of its digits is 432000, while the sum is 43.

The square root of 5645461165 is about 75136.2839445763. The cubic root of 5645461165 is about 1780.6004334054.

The spelling of 5645461165 in words is "five billion, six hundred forty-five million, four hundred sixty-one thousand, one hundred sixty-five".