6662077105 has 4 divisors (see below), whose sum is σ = 7994492532. Its totient is φ = 5329661680.

The previous prime is 6662077063. The next prime is 6662077109. The reversal of 6662077105 is 5017702666.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1058656369 + 5603420736 = 32537^2 + 74856^2 .

It is not a de Polignac number, because 6662077105 - 2¹³ = 6662068913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6662077109) 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 3 ways as a sum of consecutive naturals, for example, 666207706 + ... + 666207715.

It is an arithmetic number, because the mean of its divisors is an integer number (1998623133).

Almost surely, 2^6662077105 is an apocalyptic number.

It is an amenable number.

6662077105 is a deficient number, since it is larger than the sum of its proper divisors (1332415427).

6662077105 is a wasteful number, since it uses less digits than its factorization.

6662077105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332415426.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 6662077105 is about 81621.5480433935. The cubic root of 6662077105 is about 1881.6400643253.

The spelling of 6662077105 in words is "six billion, six hundred sixty-two million, seventy-seven thousand, one hundred five".