606105100991 has 8 divisors (see below), whose sum is σ = 652824612720. Its totient is φ = 559399309632.

The previous prime is 606105100943. The next prime is 606105101003. The reversal of 606105100991 is 199001501606.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 606105100991 - 2¹⁰ = 606105099967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606105100901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3338246 + ... + 3515123.

It is an arithmetic number, because the mean of its divisors is an integer number (81603076590).

Almost surely, 2^606105100991 is an apocalyptic number.

606105100991 is a deficient number, since it is larger than the sum of its proper divisors (46719511729).

606105100991 is a wasteful number, since it uses less digits than its factorization.

606105100991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6860185.

The product of its (nonzero) digits is 14580, while the sum is 38.

The spelling of 606105100991 in words is "six hundred six billion, one hundred five million, one hundred thousand, nine hundred ninety-one".