5620641165 has 16 divisors (see below), whose sum is σ = 9992251200. Its totient is φ = 2997675216.

The previous prime is 5620641163. The next prime is 5620641181. The reversal of 5620641165 is 5611460265.

5620641165 is a `hidden beast` number, since 5 + 6 + 2 + 0 + 641 + 1 + 6 + 5 = 666.

It is not a de Polignac number, because 5620641165 - 2¹ = 5620641163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5620641163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20817055 + ... + 20817324.

It is an arithmetic number, because the mean of its divisors is an integer number (624515700).

Almost surely, 2^5620641165 is an apocalyptic number.

It is an amenable number.

5620641165 is a deficient number, since it is larger than the sum of its proper divisors (4371610035).

5620641165 is a wasteful number, since it uses less digits than its factorization.

5620641165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41634393 (or 41634387 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 5620641165 is about 74970.9354683533. The cubic root of 5620641165 is about 1777.9871583952.

Subtracting from 5620641165 its reverse (5611460265), we obtain a square (9180900 = 3030²).

The spelling of 5620641165 in words is "five billion, six hundred twenty million, six hundred forty-one thousand, one hundred sixty-five".