656005006106 has 8 divisors (see below), whose sum is σ = 984014756244. Its totient is φ = 328000087360.

The previous prime is 656005006099. The next prime is 656005006121. The reversal of 656005006106 is 601600500656.

It can be written as a sum of positive squares in 2 ways, for example, as 598712275225 + 57292730881 = 773765^2 + 239359^2 .

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

It is a super-2 number, since 2×656005006106² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 846815 + ... + 1424466.

Almost surely, 2^656005006106 is an apocalyptic number.

656005006106 is a deficient number, since it is larger than the sum of its proper divisors (328009750138).

656005006106 is a wasteful number, since it uses less digits than its factorization.

656005006106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415696.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 656005006106 in words is "six hundred fifty-six billion, five million, six thousand, one hundred six".