66525110 has 32 divisors (see below), whose sum is σ = 122549760. Its totient is φ = 25994592.

The previous prime is 66525091. The next prime is 66525113. The reversal of 66525110 is 1152566.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 66525110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66525113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84137 + ... + 84923.

It is an arithmetic number, because the mean of its divisors is an integer number (3829680).

Almost surely, 2^66525110 is an apocalyptic number.

66525110 is a deficient number, since it is larger than the sum of its proper divisors (56024650).

66525110 is a wasteful number, since it uses less digits than its factorization.

66525110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 66525110 is about 8156.2926627237. The cubic root of 66525110 is about 405.1929375899.

Adding to 66525110 its reverse (1152566), we get a palindrome (67677676).

The spelling of 66525110 in words is "sixty-six million, five hundred twenty-five thousand, one hundred ten".