5146543665 has 12 divisors (see below), whose sum is σ = 8920675764. Its totient is φ = 2744823264.

The previous prime is 5146543657. The next prime is 5146543679. The reversal of 5146543665 is 5663456415.

5146543665 is a `hidden beast` number, since 5 + 1 + 46 + 543 + 6 + 65 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 845413776 + 4301129889 = 29076^2 + 65583^2 .

It is not a de Polignac number, because 5146543665 - 2³ = 5146543657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 114367637 = 5146543665 / (5 + 1 + 4 + 6 + 5 + 4 + 3 + 6 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 5146543665.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57183774 + ... + 57183863.

It is an arithmetic number, because the mean of its divisors is an integer number (743389647).

Almost surely, 2^5146543665 is an apocalyptic number.

It is an amenable number.

5146543665 is a deficient number, since it is larger than the sum of its proper divisors (3774132099).

5146543665 is a wasteful number, since it uses less digits than its factorization.

5146543665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114367648 (or 114367645 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 45.

The square root of 5146543665 is about 71739.4150031905. The cubic root of 5146543665 is about 1726.5210880669.

The spelling of 5146543665 in words is "five billion, one hundred forty-six million, five hundred forty-three thousand, six hundred sixty-five".