2655000665 has 8 divisors (see below), whose sum is σ = 3187113480. Its totient is φ = 2123258752.

The previous prime is 2655000599. The next prime is 2655000697. The reversal of 2655000665 is 5660005562.

It can be written as a sum of positive squares in 4 ways, for example, as 820077769 + 1834922896 = 28637^2 + 42836^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2655000665 - 2¹⁴ = 2654984281 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76724 + ... + 105813.

It is an arithmetic number, because the mean of its divisors is an integer number (398389185).

Almost surely, 2^2655000665 is an apocalyptic number.

It is an amenable number.

2655000665 is a deficient number, since it is larger than the sum of its proper divisors (532112815).

2655000665 is a wasteful number, since it uses less digits than its factorization.

2655000665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185451.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 2655000665 is about 51526.6985649188. The cubic root of 2655000665 is about 1384.6974042111.

The spelling of 2655000665 in words is "two billion, six hundred fifty-five million, six hundred sixty-five", and thus it is an aban number.