6617997166 has 8 divisors (see below), whose sum is σ = 10829449944. Its totient is φ = 3008180520.

The previous prime is 6617997157. The next prime is 6617997203.

6617997166 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6617997166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150409005 + ... + 150409048.

It is an arithmetic number, because the mean of its divisors is an integer number (1353681243).

Almost surely, 2^6617997166 is an apocalyptic number.

6617997166 is a deficient number, since it is larger than the sum of its proper divisors (4211452778).

6617997166 is a wasteful number, since it uses less digits than its factorization.

6617997166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300818066.

The product of its digits is 5143824, while the sum is 58.

The square root of 6617997166 is about 81351.0735393209. The cubic root of 6617997166 is about 1877.4808917188.

The spelling of 6617997166 in words is "six billion, six hundred seventeen million, nine hundred ninety-seven thousand, one hundred sixty-six".