611168656 has 20 divisors (see below), whose sum is σ = 1353302272. Its totient is φ = 261929376.

The previous prime is 611168653. The next prime is 611168659. The reversal of 611168656 is 656861116.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (611168653) and next prime (611168659).

It is not an unprimeable number, because it can be changed into a prime (611168651) 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 3 ways as a sum of consecutive naturals, for example, 2728320 + ... + 2728543.

Almost surely, 2^611168656 is an apocalyptic number.

It is an amenable number.

611168656 is an abundant number, since it is smaller than the sum of its proper divisors (742133616).

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

611168656 is a wasteful number, since it uses less digits than its factorization.

611168656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5456878 (or 5456872 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The square root of 611168656 is about 24721.8254989392. The cubic root of 611168656 is about 848.6338636271.

The spelling of 611168656 in words is "six hundred eleven million, one hundred sixty-eight thousand, six hundred fifty-six".