5165665572 has 24 divisors (see below), whose sum is σ = 12106323936. Its totient is φ = 1714302208.

The previous prime is 5165665567. The next prime is 5165665573. The reversal of 5165665572 is 2755665615.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5165665573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 945453 + ... + 950900.

It is an arithmetic number, because the mean of its divisors is an integer number (504430164).

Almost surely, 2^5165665572 is an apocalyptic number.

It is an amenable number.

5165665572 is an abundant number, since it is smaller than the sum of its proper divisors (6940658364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5165665572 is a wasteful number, since it uses less digits than its factorization.

5165665572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896587 (or 1896585 counting only the distinct ones).

The product of its digits is 1890000, while the sum is 48.

The square root of 5165665572 is about 71872.5648074423. The cubic root of 5165665572 is about 1728.6567331312.

The spelling of 5165665572 in words is "five billion, one hundred sixty-five million, six hundred sixty-five thousand, five hundred seventy-two".