605960505591 has 32 divisors (see below), whose sum is σ = 1029141250560. Its totient is φ = 308742368256.

The previous prime is 605960505571. The next prime is 605960505599. The reversal of 605960505591 is 195505069506.

605960505591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 605960505591 - 2⁷ = 605960505463 is a prime.

It is a super-2 number, since 2×605960505591² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605960505599) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44660806 + ... + 44674371.

It is an arithmetic number, because the mean of its divisors is an integer number (32160664080).

Almost surely, 2^605960505591 is an apocalyptic number.

605960505591 is a deficient number, since it is larger than the sum of its proper divisors (423180744969).

605960505591 is a wasteful number, since it uses less digits than its factorization.

605960505591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89335223.

The product of its (nonzero) digits is 1822500, while the sum is 51.

The spelling of 605960505591 in words is "six hundred five billion, nine hundred sixty million, five hundred five thousand, five hundred ninety-one".