606105500491 has 6 divisors (see below), whose sum is σ = 622929467580. Its totient is φ = 589724269416.

The previous prime is 606105500477. The next prime is 606105500527. The reversal of 606105500491 is 194005501606.

It is a de Polignac number, because none of the positive numbers 2^k-606105500491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 606105500491.

It is not an unprimeable number, because it can be changed into a prime (606105500471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 221366601 + ... + 221369338.

It is an arithmetic number, because the mean of its divisors is an integer number (103821577930).

Almost surely, 2^606105500491 is an apocalyptic number.

606105500491 is a deficient number, since it is larger than the sum of its proper divisors (16823967089).

606105500491 is an equidigital number, since it uses as much as digits as its factorization.

606105500491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442736013 (or 442735976 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 606105500491 in words is "six hundred six billion, one hundred five million, five hundred thousand, four hundred ninety-one".