656706106 has 16 divisors (see below), whose sum is σ = 1126180224. Its totient is φ = 281345904.

The previous prime is 656706103. The next prime is 656706133. The reversal of 656706106 is 601607656.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (656706103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44091 + ... + 57073.

It is an arithmetic number, because the mean of its divisors is an integer number (70386264).

Almost surely, 2^656706106 is an apocalyptic number.

656706106 is a deficient number, since it is larger than the sum of its proper divisors (469474118).

656706106 is a wasteful number, since it uses less digits than its factorization.

656706106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16605.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 656706106 is about 25626.2776461975. The cubic root of 656706106 is about 869.2079398817.

The spelling of 656706106 in words is "six hundred fifty-six million, seven hundred six thousand, one hundred six".