6636626241 has 32 divisors (see below), whose sum is σ = 10710202368. Its totient is φ = 3573313920.

The previous prime is 6636626231. The next prime is 6636626251. The reversal of 6636626241 is 1426266366.

It is an interprime number because it is at equal distance from previous prime (6636626231) and next prime (6636626251).

It is not a de Polignac number, because 6636626241 - 2¹⁵ = 6636593473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6636626193 and 6636626202.

It is not an unprimeable number, because it can be changed into a prime (6636626201) 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, 70180 + ... + 134901.

It is an arithmetic number, because the mean of its divisors is an integer number (334693824).

Almost surely, 2^6636626241 is an apocalyptic number.

It is an amenable number.

6636626241 is a deficient number, since it is larger than the sum of its proper divisors (4073576127).

6636626241 is a wasteful number, since it uses less digits than its factorization.

6636626241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205181.

The product of its digits is 373248, while the sum is 42.

The square root of 6636626241 is about 81465.4911051299. The cubic root of 6636626241 is about 1879.2408887306.

It can be divided in two parts, 663662 and 6241, that added together give a triangular number (669903 = T₁₁₅₇).

The spelling of 6636626241 in words is "six billion, six hundred thirty-six million, six hundred twenty-six thousand, two hundred forty-one".