6631465166 has 4 divisors (see below), whose sum is σ = 9947197752. Its totient is φ = 3315732582.

The previous prime is 6631465157. The next prime is 6631465187. The reversal of 6631465166 is 6615641366.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1657866290 + ... + 1657866293.

It is an arithmetic number, because the mean of its divisors is an integer number (2486799438).

Almost surely, 2^6631465166 is an apocalyptic number.

6631465166 is a deficient number, since it is larger than the sum of its proper divisors (3315732586).

6631465166 is a wasteful number, since it uses less digits than its factorization.

6631465166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315732585.

The product of its digits is 466560, while the sum is 44.

The square root of 6631465166 is about 81433.8084949979. The cubic root of 6631465166 is about 1878.7536221551.

The spelling of 6631465166 in words is "six billion, six hundred thirty-one million, four hundred sixty-five thousand, one hundred sixty-six".