6540662195 has 8 divisors (see below), whose sum is σ = 8310488544. Its totient is φ = 4924733824.

The previous prime is 6540662173. The next prime is 6540662209. The reversal of 6540662195 is 5912660456.

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

It is a cyclic number.

It is not a de Polignac number, because 6540662195 - 2¹² = 6540658099 is a prime.

It is a Duffinian 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, 38474399 + ... + 38474568.

It is an arithmetic number, because the mean of its divisors is an integer number (1038811068).

Almost surely, 2^6540662195 is an apocalyptic number.

6540662195 is a deficient number, since it is larger than the sum of its proper divisors (1769826349).

6540662195 is a wasteful number, since it uses less digits than its factorization.

6540662195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76948989.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 6540662195 is about 80874.3605538863. The cubic root of 6540662195 is about 1870.1390838053.

The spelling of 6540662195 in words is "six billion, five hundred forty million, six hundred sixty-two thousand, one hundred ninety-five".