6011320663 has 4 divisors (see below), whose sum is σ = 6044903640. Its totient is φ = 5977737688.

The previous prime is 6011320621. The next prime is 6011320723. The reversal of 6011320663 is 3660231106.

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

It is a cyclic number.

It is not a de Polignac number, because 6011320663 - 2²¹ = 6009223511 is a prime.

It is a super-2 number, since 2×6011320663² = 72271952226821519138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6011320363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16791220 + ... + 16791577.

It is an arithmetic number, because the mean of its divisors is an integer number (1511225910).

Almost surely, 2^6011320663 is an apocalyptic number.

6011320663 is a deficient number, since it is larger than the sum of its proper divisors (33582977).

6011320663 is a wasteful number, since it uses less digits than its factorization.

6011320663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33582976.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 6011320663 is about 77532.7070532172. The cubic root of 6011320663 is about 1818.2627087082.

Adding to 6011320663 its reverse (3660231106), we get a palindrome (9671551769).

The spelling of 6011320663 in words is "six billion, eleven million, three hundred twenty thousand, six hundred sixty-three".