66376444 has 6 divisors (see below), whose sum is σ = 116158784. Its totient is φ = 33188220.

The previous prime is 66376441. The next prime is 66376451. The reversal of 66376444 is 44467366.

It is a junction number, because it is equal to n+sod(n) for n = 66376397 and 66376406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66376441) by changing a digit.

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 as a sum of consecutive naturals, namely, 8297052 + ... + 8297059.

Almost surely, 2^66376444 is an apocalyptic number.

It is an amenable number.

66376444 is a deficient number, since it is larger than the sum of its proper divisors (49782340).

66376444 is a wasteful number, since it uses less digits than its factorization.

66376444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16594115 (or 16594113 counting only the distinct ones).

The product of its digits is 290304, while the sum is 40.

The square root of 66376444 is about 8147.1739885681. The cubic root of 66376444 is about 404.8908795081.

The spelling of 66376444 in words is "sixty-six million, three hundred seventy-six thousand, four hundred forty-four".