2665560655662 has 64 divisors (see below), whose sum is σ = 5696794920960. Its totient is φ = 829633392000.

The previous prime is 2665560655487. The next prime is 2665560655679.

2665560655662 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 2665560655596 and 2665560655605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7656408 + ... + 7996980.

It is an arithmetic number, because the mean of its divisors is an integer number (89012420640).

Almost surely, 2^{2665560655662} is an apocalyptic number.

2665560655662 is an abundant number, since it is smaller than the sum of its proper divisors (3031234265298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2665560655662 is a wasteful number, since it uses less digits than its factorization.

2665560655662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342089.

The product of its (nonzero) digits is 116640000, while the sum is 60.

The spelling of 2665560655662 in words is "two trillion, six hundred sixty-five billion, five hundred sixty million, six hundred fifty-five thousand, six hundred sixty-two".