6656550123 has 8 divisors (see below), whose sum is σ = 8890369488. Its totient is φ = 4430215424.

The previous prime is 6656550071. The next prime is 6656550127. The reversal of 6656550123 is 3210556566.

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 6656550123 - 2¹⁰ = 6656549099 is a prime.

It is a super-2 number, since 2×6656550123² = 88619319080022630258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6656550127) by changing a digit.

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, 1869090 + ... + 1872647.

It is an arithmetic number, because the mean of its divisors is an integer number (1111296186).

Almost surely, 2^6656550123 is an apocalyptic number.

6656550123 is a deficient number, since it is larger than the sum of its proper divisors (2233819365).

6656550123 is a wasteful number, since it uses less digits than its factorization.

6656550123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3742333.

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 6656550123 is about 81587.6836477173. The cubic root of 6656550123 is about 1881.1195725988.

The spelling of 6656550123 in words is "six billion, six hundred fifty-six million, five hundred fifty thousand, one hundred twenty-three".