2735855666 has 4 divisors (see below), whose sum is σ = 4103783502. Its totient is φ = 1367927832.

The previous prime is 2735855651. The next prime is 2735855687. The reversal of 2735855666 is 6665585372.

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

It can be written as a sum of positive squares in only one way, i.e., 1907855041 + 828000625 = 43679^2 + 28775^2 .

It is a super-3 number, since 3×2735855666³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 683963915 + ... + 683963918.

Almost surely, 2^2735855666 is an apocalyptic number.

2735855666 is a deficient number, since it is larger than the sum of its proper divisors (1367927836).

2735855666 is a wasteful number, since it uses less digits than its factorization.

2735855666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367927835.

The product of its digits is 9072000, while the sum is 53.

The square root of 2735855666 is about 52305.4076171862. The cubic root of 2735855666 is about 1398.6135365792.

The spelling of 2735855666 in words is "two billion, seven hundred thirty-five million, eight hundred fifty-five thousand, six hundred sixty-six".