6686511070 has 8 divisors (see below), whose sum is σ = 12035719944. Its totient is φ = 2674604424.

The previous prime is 6686511059. The next prime is 6686511109. The reversal of 6686511070 is 701156866.

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

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, 334325544 + ... + 334325563.

It is an arithmetic number, because the mean of its divisors is an integer number (1504464993).

Almost surely, 2^6686511070 is an apocalyptic number.

6686511070 is a deficient number, since it is larger than the sum of its proper divisors (5349208874).

6686511070 is a wasteful number, since it uses less digits than its factorization.

6686511070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668651114.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 6686511070 is about 81771.0894509789. The cubic root of 6686511070 is about 1883.9376377694.

The spelling of 6686511070 in words is "six billion, six hundred eighty-six million, five hundred eleven thousand, seventy".