6664345070 has 16 divisors (see below), whose sum is σ = 11996870688. Its totient is φ = 2665504800.

The previous prime is 6664345043. The next prime is 6664345081. The reversal of 6664345070 is 705434666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134720 + ... + 177420.

It is an arithmetic number, because the mean of its divisors is an integer number (749804418).

Almost surely, 2^6664345070 is an apocalyptic number.

6664345070 is a deficient number, since it is larger than the sum of its proper divisors (5332525618).

6664345070 is a wasteful number, since it uses less digits than its factorization.

6664345070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58315.

The product of its (nonzero) digits is 362880, while the sum is 41.

The square root of 6664345070 is about 81635.4400367879. The cubic root of 6664345070 is about 1881.8535617863.

The spelling of 6664345070 in words is "six billion, six hundred sixty-four million, three hundred forty-five thousand, seventy".