2153255166 has 24 divisors (see below), whose sum is σ = 4683135600. Its totient is φ = 715021056.

The previous prime is 2153255149. The next prime is 2153255201. The reversal of 2153255166 is 6615523512.

2153255166 is a `hidden beast` number, since 2 + 15 + 32 + 551 + 66 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2153255166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222691 + ... + 232158.

It is an arithmetic number, because the mean of its divisors is an integer number (195130650).

Almost surely, 2^2153255166 is an apocalyptic number.

2153255166 is an abundant number, since it is smaller than the sum of its proper divisors (2529880434).

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

2153255166 is a wasteful number, since it uses less digits than its factorization.

2153255166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455120 (or 455117 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 2153255166 is about 46403.1805590953. The cubic root of 2153255166 is about 1291.3139199606.

Adding to 2153255166 its reverse (6615523512), we get a palindrome (8768778678).

The spelling of 2153255166 in words is "two billion, one hundred fifty-three million, two hundred fifty-five thousand, one hundred sixty-six".