995666655 has 8 divisors (see below), whose sum is σ = 1593066672. Its totient is φ = 531022208.

The previous prime is 995666627. The next prime is 995666663. The reversal of 995666655 is 556666599.

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 995666655 - 2¹⁶ = 995601119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 995666595 and 995666604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33188874 + ... + 33188903.

It is an arithmetic number, because the mean of its divisors is an integer number (199133334).

Almost surely, 2^995666655 is an apocalyptic number.

995666655 is a deficient number, since it is larger than the sum of its proper divisors (597400017).

995666655 is a wasteful number, since it uses less digits than its factorization.

995666655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66377785.

The product of its digits is 13122000, while the sum is 57.

The square root of 995666655 is about 31554.1860139031. The cubic root of 995666655 is about 998.5534601982.

The spelling of 995666655 in words is "nine hundred ninety-five million, six hundred sixty-six thousand, six hundred fifty-five".