4661918826 has 32 divisors (see below), whose sum is σ = 9472438080. Its totient is φ = 1529252736.

The previous prime is 4661918797. The next prime is 4661918837. The reversal of 4661918826 is 6288191664.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440590 + ... + 451046.

It is an arithmetic number, because the mean of its divisors is an integer number (296013690).

Almost surely, 2^4661918826 is an apocalyptic number.

4661918826 is an abundant number, since it is smaller than the sum of its proper divisors (4810519254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4661918826 is a wasteful number, since it uses less digits than its factorization.

4661918826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11638.

The product of its digits is 995328, while the sum is 51.

The square root of 4661918826 is about 68278.2456277254. The cubic root of 4661918826 is about 1670.5323969763.

The spelling of 4661918826 in words is "four billion, six hundred sixty-one million, nine hundred eighteen thousand, eight hundred twenty-six".