66042234786 has 32 divisors (see below), whose sum is σ = 151675948800. Its totient is φ = 18959492880.

The previous prime is 66042234779. The next prime is 66042234793. The reversal of 66042234786 is 68743224066.

It is an interprime number because it is at equal distance from previous prime (66042234779) and next prime (66042234793).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26331376 + ... + 26333883.

It is an arithmetic number, because the mean of its divisors is an integer number (4739873400).

Almost surely, 2^66042234786 is an apocalyptic number.

66042234786 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

66042234786 is an abundant number, since it is smaller than the sum of its proper divisors (85633714014).

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

66042234786 is a wasteful number, since it uses less digits than its factorization.

66042234786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52665294.

The product of its (nonzero) digits is 2322432, while the sum is 48.

The spelling of 66042234786 in words is "sixty-six billion, forty-two million, two hundred thirty-four thousand, seven hundred eighty-six".