66231042 has 8 divisors (see below), whose sum is σ = 132462096. Its totient is φ = 22077012.

The previous prime is 66231029. The next prime is 66231043. The reversal of 66231042 is 24013266.

66231042 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.

66231042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (66231043) by changing a digit.

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, 5519248 + ... + 5519259.

It is an arithmetic number, because the mean of its divisors is an integer number (16557762).

Almost surely, 2^66231042 is an apocalyptic number.

66231042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66231042 is a wasteful number, since it uses less digits than its factorization.

66231042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11038512.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 66231042 is about 8138.2456340418. The cubic root of 66231042 is about 404.5950165978.

The spelling of 66231042 in words is "sixty-six million, two hundred thirty-one thousand, forty-two".