66361055882 has 64 divisors (see below), whose sum is σ = 116084855808. Its totient is φ = 28169856000.

The previous prime is 66361055879. The next prime is 66361055921. The reversal of 66361055882 is 28855016366.

It is a self number, because there is not a number n which added to its sum of digits gives 66361055882.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2189858 + ... + 2219954.

It is an arithmetic number, because the mean of its divisors is an integer number (1813825872).

Almost surely, 2^66361055882 is an apocalyptic number.

66361055882 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

66361055882 is a deficient number, since it is larger than the sum of its proper divisors (49723799926).

66361055882 is a wasteful number, since it uses less digits than its factorization.

66361055882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30255.

The product of its (nonzero) digits is 2073600, while the sum is 50.

The spelling of 66361055882 in words is "sixty-six billion, three hundred sixty-one million, fifty-five thousand, eight hundred eighty-two".