2664079661067 has 48 divisors (see below), whose sum is σ = 3937988202624. Its totient is φ = 1588771536000.

The previous prime is 2664079661059. The next prime is 2664079661093. The reversal of 2664079661067 is 7601669704662.

It is not a de Polignac number, because 2664079661067 - 2³ = 2664079661059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2664079661067.

It is not an unprimeable number, because it can be changed into a prime (2664079661267) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 143831767 + ... + 143850287.

It is an arithmetic number, because the mean of its divisors is an integer number (82041420888).

Almost surely, 2^{2664079661067} is an apocalyptic number.

2664079661067 is a deficient number, since it is larger than the sum of its proper divisors (1273908541557).

2664079661067 is a wasteful number, since it uses less digits than its factorization.

2664079661067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19640 (or 19573 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 60.

The spelling of 2664079661067 in words is "two trillion, six hundred sixty-four billion, seventy-nine million, six hundred sixty-one thousand, sixty-seven".