1656655606 has 16 divisors (see below), whose sum is σ = 2520817200. Its totient is φ = 816468640.

The previous prime is 1656655591. The next prime is 1656655607. The reversal of 1656655606 is 6065566561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1656655607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17820 + ... + 60256.

It is an arithmetic number, because the mean of its divisors is an integer number (157551075).

Almost surely, 2^1656655606 is an apocalyptic number.

1656655606 is a deficient number, since it is larger than the sum of its proper divisors (864161594).

1656655606 is a wasteful number, since it uses less digits than its factorization.

1656655606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42719.

The product of its (nonzero) digits is 972000, while the sum is 46.

The square root of 1656655606 is about 40702.0344208984. The cubic root of 1656655606 is about 1183.2524475736.

The spelling of 1656655606 in words is "one billion, six hundred fifty-six million, six hundred fifty-five thousand, six hundred six".