66102522 has 16 divisors (see below), whose sum is σ = 134016960. Its totient is φ = 21732192.

The previous prime is 66102521. The next prime is 66102523. The reversal of 66102522 is 22520166.

It is an interprime number because it is at equal distance from previous prime (66102521) and next prime (66102523).

It is a junction number, because it is equal to n+sod(n) for n = 66102492 and 66102501.

It is not an unprimeable number, because it can be changed into a prime (66102521) 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, 75022 + ... + 75897.

It is an arithmetic number, because the mean of its divisors is an integer number (8376060).

Almost surely, 2^66102522 is an apocalyptic number.

66102522 is an abundant number, since it is smaller than the sum of its proper divisors (67914438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66102522 is a wasteful number, since it uses less digits than its factorization.

66102522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150997.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 66102522 is about 8130.3457491056. The cubic root of 66102522 is about 404.3331443180. Note that the first 3 decimals are identical.

Adding to 66102522 its reverse (22520166), we get a palindrome (88622688).

The spelling of 66102522 in words is "sixty-six million, one hundred two thousand, five hundred twenty-two".