2664551676751 has 4 divisors (see below), whose sum is σ = 2667365354232. Its totient is φ = 2661737999272.

The previous prime is 2664551676707. The next prime is 2664551676757. The reversal of 2664551676751 is 1576761554662.

2664551676751 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2664551676751 is a prime.

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 2664551676751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664551676757) 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, 1406837320 + ... + 1406839213.

It is an arithmetic number, because the mean of its divisors is an integer number (666841338558).

Almost surely, 2^{2664551676751} is an apocalyptic number.

2664551676751 is a deficient number, since it is larger than the sum of its proper divisors (2813677481).

2664551676751 is an equidigital number, since it uses as much as digits as its factorization.

2664551676751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813677480.

The product of its digits is 63504000, while the sum is 61.

The spelling of 2664551676751 in words is "two trillion, six hundred sixty-four billion, five hundred fifty-one million, six hundred seventy-six thousand, seven hundred fifty-one".