6761551556 has 12 divisors (see below), whose sum is σ = 11843259792. Its totient is φ = 3377763048.

The previous prime is 6761551481. The next prime is 6761551583. The reversal of 6761551556 is 6551551676.

It is a super-2 number, since 2×6761551556² = 91437158888892042272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6761551556.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 748130 + ... + 757113.

It is an arithmetic number, because the mean of its divisors is an integer number (986938316).

Almost surely, 2^6761551556 is an apocalyptic number.

It is an amenable number.

6761551556 is a deficient number, since it is larger than the sum of its proper divisors (5081708236).

6761551556 is a wasteful number, since it uses less digits than its factorization.

6761551556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506370 (or 1506368 counting only the distinct ones).

The product of its digits is 945000, while the sum is 47.

The square root of 6761551556 is about 82228.6541054881. The cubic root of 6761551556 is about 1890.9590381113.

The spelling of 6761551556 in words is "six billion, seven hundred sixty-one million, five hundred fifty-one thousand, five hundred fifty-six".