6636950458 has 16 divisors (see below), whose sum is σ = 10485781920. Its totient is φ = 3141902736.

The previous prime is 6636950389. The next prime is 6636950459. The reversal of 6636950458 is 8540596366.

It is a super-2 number, since 2×6636950458² = 88098222763892819528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6636950459) 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, 10960 + ... + 115732.

It is an arithmetic number, because the mean of its divisors is an integer number (655361370).

Almost surely, 2^6636950458 is an apocalyptic number.

6636950458 is a deficient number, since it is larger than the sum of its proper divisors (3848831462).

6636950458 is a wasteful number, since it uses less digits than its factorization.

6636950458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106461.

The product of its (nonzero) digits is 4665600, while the sum is 52.

The square root of 6636950458 is about 81467.4809847463. The cubic root of 6636950458 is about 1879.2714902189.

The spelling of 6636950458 in words is "six billion, six hundred thirty-six million, nine hundred fifty thousand, four hundred fifty-eight".