2666366636662 has 8 divisors (see below), whose sum is σ = 4092562744776. Its totient is φ = 1302179055072.

The previous prime is 2666366636639. The next prime is 2666366636719.

2666366636662 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2666366636662² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2666366636594 and 2666366636603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15502131523 + ... + 15502131694.

It is an arithmetic number, because the mean of its divisors is an integer number (511570343097).

Almost surely, 2^{2666366636662} is an apocalyptic number.

2666366636662 is a deficient number, since it is larger than the sum of its proper divisors (1426196108114).

2666366636662 is a wasteful number, since it uses less digits than its factorization.

2666366636662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31004263262.

The product of its digits is 362797056, while the sum is 64.

The spelling of 2666366636662 in words is "two trillion, six hundred sixty-six billion, three hundred sixty-six million, six hundred thirty-six thousand, six hundred sixty-two".