6640675270 has 32 divisors (see below), whose sum is σ = 12286008000. Its totient is φ = 2582430336.

The previous prime is 6640675267. The next prime is 6640675291. The reversal of 6640675270 is 725760466.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511216 + ... + 524044.

It is an arithmetic number, because the mean of its divisors is an integer number (383937750).

Almost surely, 2^6640675270 is an apocalyptic number.

6640675270 is a deficient number, since it is larger than the sum of its proper divisors (5645332730).

6640675270 is a wasteful number, since it uses less digits than its factorization.

6640675270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14272.

The product of its (nonzero) digits is 423360, while the sum is 43.

The square root of 6640675270 is about 81490.3385070893. The cubic root of 6640675270 is about 1879.6229881918.

The spelling of 6640675270 in words is "six billion, six hundred forty million, six hundred seventy-five thousand, two hundred seventy".