6615225166 has 16 divisors (see below), whose sum is σ = 10826776368. Its totient is φ = 3006403200.

The previous prime is 6615225091. The next prime is 6615225167.

6615225166 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×6615225166² = 87522407993759455112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6615225167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124276 + ... + 169336.

It is an arithmetic number, because the mean of its divisors is an integer number (676673523).

Almost surely, 2^6615225166 is an apocalyptic number.

6615225166 is a deficient number, since it is larger than the sum of its proper divisors (4211551202).

6615225166 is a wasteful number, since it uses less digits than its factorization.

6615225166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51747.

The product of its digits is 129600, while the sum is 40.

The square root of 6615225166 is about 81334.0344874149. The cubic root of 6615225166 is about 1877.2187225811.

The spelling of 6615225166 in words is "six billion, six hundred fifteen million, two hundred twenty-five thousand, one hundred sixty-six".