66078122 has 8 divisors (see below), whose sum is σ = 108127872. Its totient is φ = 30035500.

The previous prime is 66078119. The next prime is 66078137. The reversal of 66078122 is 22187066.

66078122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501754 + ... + 1501797.

It is an arithmetic number, because the mean of its divisors is an integer number (13515984).

Almost surely, 2^66078122 is an apocalyptic number.

66078122 is a deficient number, since it is larger than the sum of its proper divisors (42049750).

66078122 is a wasteful number, since it uses less digits than its factorization.

66078122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003564.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 66078122 is about 8128.8450594165. The cubic root of 66078122 is about 404.2833885621.

The spelling of 66078122 in words is "sixty-six million, seventy-eight thousand, one hundred twenty-two".