6641315875 has 16 divisors (see below), whose sum is σ = 8341178976. Its totient is φ = 5279196000.

The previous prime is 6641315869. The next prime is 6641315881. The reversal of 6641315875 is 5785131466.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6641315869) and next prime (6641315881).

It is not a de Polignac number, because 6641315875 - 2³ = 6641315867 is a prime.

It is a Duffinian 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, 149581 + ... + 188830.

It is an arithmetic number, because the mean of its divisors is an integer number (521323686).

Almost surely, 2^6641315875 is an apocalyptic number.

6641315875 is a deficient number, since it is larger than the sum of its proper divisors (1699863101).

6641315875 is a wasteful number, since it uses less digits than its factorization.

6641315875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338583 (or 338573 counting only the distinct ones).

The product of its digits is 604800, while the sum is 46.

The square root of 6641315875 is about 81494.2689702779. The cubic root of 6641315875 is about 1879.6834266824.

The spelling of 6641315875 in words is "six billion, six hundred forty-one million, three hundred fifteen thousand, eight hundred seventy-five".