2664079661066 has 16 divisors (see below), whose sum is σ = 4231354800960. Its totient is φ = 1253634336960.

The previous prime is 2664079661059. The next prime is 2664079661093. The reversal of 2664079661066 is 6601669704662.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2664079660996 and 2664079661014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700646 + ... + 2412273.

It is an arithmetic number, because the mean of its divisors is an integer number (264459675060).

Almost surely, 2^{2664079661066} is an apocalyptic number.

2664079661066 is a deficient number, since it is larger than the sum of its proper divisors (1567275139894).

2664079661066 is a wasteful number, since it uses less digits than its factorization.

2664079661066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138109.

The product of its (nonzero) digits is 23514624, while the sum is 59.

The spelling of 2664079661066 in words is "two trillion, six hundred sixty-four billion, seventy-nine million, six hundred sixty-one thousand, sixty-six".