6657790134 has 16 divisors (see below), whose sum is σ = 13514321088. Its totient is φ = 2186139912.

The previous prime is 6657790109. The next prime is 6657790177. The reversal of 6657790134 is 4310977566.

It is a happy number.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 8280432 + ... + 8281235.

It is an arithmetic number, because the mean of its divisors is an integer number (844645068).

Almost surely, 2^6657790134 is an apocalyptic number.

6657790134 is an abundant number, since it is smaller than the sum of its proper divisors (6856530954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6657790134 is a wasteful number, since it uses less digits than its factorization.

6657790134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16561739.

The product of its (nonzero) digits is 952560, while the sum is 48.

The square root of 6657790134 is about 81595.2825474610. The cubic root of 6657790134 is about 1881.2363730480.

The spelling of 6657790134 in words is "six billion, six hundred fifty-seven million, seven hundred ninety thousand, one hundred thirty-four".