605681157 has 16 divisors (see below), whose sum is σ = 833154560. Its totient is φ = 391096512.

The previous prime is 605681119. The next prime is 605681159. The reversal of 605681157 is 751186506.

It is not a de Polignac number, because 605681157 - 2⁶ = 605681093 is a prime.

It is a super-3 number, since 3×605681157³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605681159) 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 15 ways as a sum of consecutive naturals, for example, 12519 + ... + 36987.

It is an arithmetic number, because the mean of its divisors is an integer number (52072160).

Almost surely, 2^605681157 is an apocalyptic number.

It is an amenable number.

605681157 is a deficient number, since it is larger than the sum of its proper divisors (227473403).

605681157 is a wasteful number, since it uses less digits than its factorization.

605681157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24732.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 605681157 is about 24610.5903423709. The cubic root of 605681157 is about 846.0863480655.

The spelling of 605681157 in words is "six hundred five million, six hundred eighty-one thousand, one hundred fifty-seven".