6527662661 has 8 divisors (see below), whose sum is σ = 7030420320. Its totient is φ = 6024994992.

The previous prime is 6527662597. The next prime is 6527662679. The reversal of 6527662661 is 1662667256.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6527662661 - 2⁶ = 6527662597 is a prime.

It is a super-2 number, since 2×6527662661² = 85220759631627201842, 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 (6527652661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255110 + ... + 279528.

It is an arithmetic number, because the mean of its divisors is an integer number (878802540).

Almost surely, 2^6527662661 is an apocalyptic number.

It is an amenable number.

6527662661 is a deficient number, since it is larger than the sum of its proper divisors (502757659).

6527662661 is a wasteful number, since it uses less digits than its factorization.

6527662661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44995.

The product of its digits is 1088640, while the sum is 47.

The square root of 6527662661 is about 80793.9518837889. The cubic root of 6527662661 is about 1868.8992980036.

The spelling of 6527662661 in words is "six billion, five hundred twenty-seven million, six hundred sixty-two thousand, six hundred sixty-one".