2655551166 has 16 divisors (see below), whose sum is σ = 5312438784. Its totient is φ = 884960984.

The previous prime is 2655551153. The next prime is 2655551177. The reversal of 2655551166 is 6611555562.

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, 28860 + ... + 78383.

It is an arithmetic number, because the mean of its divisors is an integer number (332027424).

Almost surely, 2^2655551166 is an apocalyptic number.

2655551166 is an abundant number, since it is smaller than the sum of its proper divisors (2656887618).

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

2655551166 is a wasteful number, since it uses less digits than its factorization.

2655551166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111375.

The product of its digits is 270000, while the sum is 42.

The square root of 2655551166 is about 51532.0401886050. The cubic root of 2655551166 is about 1384.7931009388.

The spelling of 2655551166 in words is "two billion, six hundred fifty-five million, five hundred fifty-one thousand, one hundred sixty-six".