6551107756669 has 4 divisors (see below), whose sum is σ = 7486980293344. Its totient is φ = 5615235219996.

The previous prime is 6551107756657. The next prime is 6551107756733. The reversal of 6551107756669 is 9666577011556.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6551107756669 - 2⁹ = 6551107756157 is a prime.

It is a super-2 number, since 2×6551107756669² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6551107756669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6551107756619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467936268327 + ... + 467936268340.

It is an arithmetic number, because the mean of its divisors is an integer number (1871745073336).

Almost surely, 2^{6551107756669} is an apocalyptic number.

It is an amenable number.

6551107756669 is a deficient number, since it is larger than the sum of its proper divisors (935872536675).

6551107756669 is an equidigital number, since it uses as much as digits as its factorization.

6551107756669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935872536674.

The product of its (nonzero) digits is 71442000, while the sum is 64.

The spelling of 6551107756669 in words is "six trillion, five hundred fifty-one billion, one hundred seven million, seven hundred fifty-six thousand, six hundred sixty-nine".