66004424410 has 16 divisors (see below), whose sum is σ = 121705719912. Its totient is φ = 25757824000.

The previous prime is 66004424377. The next prime is 66004424419. The reversal of 66004424410 is 1442440066.

It can be written as a sum of positive squares in 4 ways, for example, as 47537516961 + 18466907449 = 218031^2 + 135893^2 .

It is not an unprimeable number, because it can be changed into a prime (66004424419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80492791 + ... + 80493610.

Almost surely, 2^66004424410 is an apocalyptic number.

66004424410 is a deficient number, since it is larger than the sum of its proper divisors (55701295502).

66004424410 is a wasteful number, since it uses less digits than its factorization.

66004424410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160986449.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 66004424410 its reverse (1442440066), we get a palindrome (67446864476).

The spelling of 66004424410 in words is "sixty-six billion, four million, four hundred twenty-four thousand, four hundred ten".