2665636365662 has 4 divisors (see below), whose sum is σ = 3998454548496. Its totient is φ = 1332818182830.

The previous prime is 2665636365619. The next prime is 2665636365677.

2665636365662 is nontrivially palindromic in base 10.

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

It is a junction number, because it is equal to n+sod(n) for n = 2665636365595 and 2665636365604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666409091414 + ... + 666409091417.

It is an arithmetic number, because the mean of its divisors is an integer number (999613637124).

Almost surely, 2^{2665636365662} is an apocalyptic number.

2665636365662 is a deficient number, since it is larger than the sum of its proper divisors (1332818182834).

2665636365662 is a wasteful number, since it uses less digits than its factorization.

2665636365662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332818182833.

The product of its digits is 251942400, while the sum is 62.

The spelling of 2665636365662 in words is "two trillion, six hundred sixty-five billion, six hundred thirty-six million, three hundred sixty-five thousand, six hundred sixty-two".