66455234 has 8 divisors (see below), whose sum is σ = 104016960. Its totient is φ = 31782916.

The previous prime is 66455231. The next prime is 66455237. The reversal of 66455234 is 43255466.

It is a happy number.

66455234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (66455231) and next prime (66455237).

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

It is a junction number, because it is equal to n+sod(n) for n = 66455194 and 66455203.

It is not an unprimeable number, because it can be changed into a prime (66455231) 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, 722294 + ... + 722385.

It is an arithmetic number, because the mean of its divisors is an integer number (13002120).

Almost surely, 2^66455234 is an apocalyptic number.

66455234 is a deficient number, since it is larger than the sum of its proper divisors (37561726).

66455234 is a wasteful number, since it uses less digits than its factorization.

66455234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444704.

The product of its digits is 86400, while the sum is 35.

The square root of 66455234 is about 8152.0079734995. The cubic root of 66455234 is about 405.0510203468.

The spelling of 66455234 in words is "sixty-six million, four hundred fifty-five thousand, two hundred thirty-four".