6668505134 has 4 divisors (see below), whose sum is σ = 10002757704. Its totient is φ = 3334252566.

The previous prime is 6668505133. The next prime is 6668505167. The reversal of 6668505134 is 4315058666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6668505133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1667126282 + ... + 1667126285.

It is an arithmetic number, because the mean of its divisors is an integer number (2500689426).

Almost surely, 2^6668505134 is an apocalyptic number.

6668505134 is a deficient number, since it is larger than the sum of its proper divisors (3334252570).

6668505134 is a wasteful number, since it uses less digits than its factorization.

6668505134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334252569.

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 6668505134 is about 81660.9155838948. The cubic root of 6668505134 is about 1882.2450482610.

The spelling of 6668505134 in words is "six billion, six hundred sixty-eight million, five hundred five thousand, one hundred thirty-four".