6601037878 has 8 divisors (see below), whose sum is σ = 9936794520. Its totient is φ = 3288773040.

The previous prime is 6601037869. The next prime is 6601037903. The reversal of 6601037878 is 8787301066.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5872248 + ... + 5873371.

It is an arithmetic number, because the mean of its divisors is an integer number (1242099315).

Almost surely, 2^6601037878 is an apocalyptic number.

6601037878 is a deficient number, since it is larger than the sum of its proper divisors (3335756642).

6601037878 is a wasteful number, since it uses less digits than its factorization.

6601037878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11745902.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 6601037878 is about 81246.7714927799. The cubic root of 6601037878 is about 1875.8757748676.

The spelling of 6601037878 in words is "six billion, six hundred one million, thirty-seven thousand, eight hundred seventy-eight".