5466540665 has 16 divisors (see below), whose sum is σ = 6642787536. Its totient is φ = 4318176000.

The previous prime is 5466540623. The next prime is 5466540683. The reversal of 5466540665 is 5660456645.

It can be written as a sum of positive squares in 8 ways, for example, as 1601680441 + 3864860224 = 40021^2 + 62168^2 .

It is not a de Polignac number, because 5466540665 - 2¹⁶ = 5466475129 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 173855 + ... + 202875.

It is an arithmetic number, because the mean of its divisors is an integer number (415174221).

Almost surely, 2^5466540665 is an apocalyptic number.

It is an amenable number.

5466540665 is a deficient number, since it is larger than the sum of its proper divisors (1176246871).

5466540665 is a wasteful number, since it uses less digits than its factorization.

5466540665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29500.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The square root of 5466540665 is about 73936.0579487438. The cubic root of 5466540665 is about 1761.5873962975.

The spelling of 5466540665 in words is "five billion, four hundred sixty-six million, five hundred forty thousand, six hundred sixty-five".