5166634565 has 32 divisors (see below), whose sum is σ = 6680931840. Its totient is φ = 3823372800.

The previous prime is 5166634559. The next prime is 5166634589. The reversal of 5166634565 is 5654366615.

It is not a de Polignac number, because 5166634565 - 2¹⁰ = 5166633541 is a prime.

It is a super-2 number, since 2×5166634565² = 53388225456505478450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2325155 + ... + 2327375.

It is an arithmetic number, because the mean of its divisors is an integer number (208779120).

Almost surely, 2^5166634565 is an apocalyptic number.

It is an amenable number.

5166634565 is a deficient number, since it is larger than the sum of its proper divisors (1514297275).

5166634565 is a wasteful number, since it uses less digits than its factorization.

5166634565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813.

The product of its digits is 1944000, while the sum is 47.

The square root of 5166634565 is about 71879.3055406074. The cubic root of 5166634565 is about 1728.7648154634.

The spelling of 5166634565 in words is "five billion, one hundred sixty-six million, six hundred thirty-four thousand, five hundred sixty-five".