66468044 has 6 divisors (see below), whose sum is σ = 116319084. Its totient is φ = 33234020.

The previous prime is 66468019. The next prime is 66468047. The reversal of 66468044 is 44086466.

It is a junction number, because it is equal to n+sod(n) for n = 66467989 and 66468007.

It is not an unprimeable number, because it can be changed into a prime (66468047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8308502 + ... + 8308509.

It is an arithmetic number, because the mean of its divisors is an integer number (19386514).

Almost surely, 2^66468044 is an apocalyptic number.

It is an amenable number.

66468044 is a deficient number, since it is larger than the sum of its proper divisors (49851040).

66468044 is a wasteful number, since it uses less digits than its factorization.

66468044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16617015 (or 16617013 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

The square root of 66468044 is about 8152.7936316333. The cubic root of 66468044 is about 405.0770447339.

The spelling of 66468044 in words is "sixty-six million, four hundred sixty-eight thousand, forty-four".