7664138006 has 32 divisors (see below), whose sum is σ = 13289184000. Its totient is φ = 3247095456.

The previous prime is 7664137969. The next prime is 7664138011. The reversal of 7664138006 is 6008314667.

It is a super-2 number, since 2×7664138006² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 742376 + ... + 752628.

It is an arithmetic number, because the mean of its divisors is an integer number (415287000).

Almost surely, 2^7664138006 is an apocalyptic number.

7664138006 is a deficient number, since it is larger than the sum of its proper divisors (5625045994).

7664138006 is a wasteful number, since it uses less digits than its factorization.

7664138006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10868.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 7664138006 is about 87545.0627162949. The cubic root of 7664138006 is about 1971.6104232229.

The spelling of 7664138006 in words is "seven billion, six hundred sixty-four million, one hundred thirty-eight thousand, six".