6636117141 has 6 divisors (see below), whose sum is σ = 9585502550. Its totient is φ = 4424078088.

The previous prime is 6636117139. The next prime is 6636117193. The reversal of 6636117141 is 1417116366.

6636117141 is a `hidden beast` number, since 6 + 636 + 1 + 1 + 7 + 14 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6365646225 + 270470916 = 79785^2 + 16446^2 .

It is not a de Polignac number, because 6636117141 - 2¹ = 6636117139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6636117096 and 6636117105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6636117101) 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, 368673166 + ... + 368673183.

Almost surely, 2^6636117141 is an apocalyptic number.

It is an amenable number.

6636117141 is a deficient number, since it is larger than the sum of its proper divisors (2949385409).

6636117141 is a wasteful number, since it uses less digits than its factorization.

6636117141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737346355 (or 737346352 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 6636117141 is about 81462.3664092813. The cubic root of 6636117141 is about 1879.1928348969.

The spelling of 6636117141 in words is "six billion, six hundred thirty-six million, one hundred seventeen thousand, one hundred forty-one".