608791681 has 16 divisors (see below), whose sum is σ = 628098048. Its totient is φ = 589881600.

The previous prime is 608791679. The next prime is 608791753. The reversal of 608791681 is 186197806.

It is a cyclic number.

It is not a de Polignac number, because 608791681 - 2¹ = 608791679 is a prime.

It is a super-2 number, since 2×608791681² = 741254621709611522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (608791621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1445851 + ... + 1446271.

It is an arithmetic number, because the mean of its divisors is an integer number (39256128).

Almost surely, 2^608791681 is an apocalyptic number.

It is an amenable number.

608791681 is a deficient number, since it is larger than the sum of its proper divisors (19306367).

608791681 is a wasteful number, since it uses less digits than its factorization.

608791681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 608791681 is about 24673.7042415605. The cubic root of 608791681 is about 847.5322570482.

The spelling of 608791681 in words is "six hundred eight million, seven hundred ninety-one thousand, six hundred eighty-one".