2668878134551 has 8 divisors (see below), whose sum is σ = 2708957896704. Its totient is φ = 2628867537240.

The previous prime is 2668878134543. The next prime is 2668878134597. The reversal of 2668878134551 is 1554318788662.

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 2668878134551 - 2³ = 2668878134543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668878131551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17213455 + ... + 17367808.

It is an arithmetic number, because the mean of its divisors is an integer number (338619737088).

Almost surely, 2^{2668878134551} is an apocalyptic number.

2668878134551 is a deficient number, since it is larger than the sum of its proper divisors (40079762153).

2668878134551 is a wasteful number, since it uses less digits than its factorization.

2668878134551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34582421.

The product of its digits is 77414400, while the sum is 64.

The spelling of 2668878134551 in words is "two trillion, six hundred sixty-eight billion, eight hundred seventy-eight million, one hundred thirty-four thousand, five hundred fifty-one".