66342130 has 16 divisors (see below), whose sum is σ = 119594880. Its totient is φ = 26497072.

The previous prime is 66342071. The next prime is 66342151. The reversal of 66342130 is 3124366.

It is a junction number, because it is equal to n+sod(n) for n = 66342095 and 66342104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2577 + ... + 11803.

It is an arithmetic number, because the mean of its divisors is an integer number (7474680).

Almost surely, 2^66342130 is an apocalyptic number.

66342130 is a deficient number, since it is larger than the sum of its proper divisors (53252750).

66342130 is a wasteful number, since it uses less digits than its factorization.

66342130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9953.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 66342130 is about 8145.0678327439. The cubic root of 66342130 is about 404.8210966172.

Adding to 66342130 its reverse (3124366), we get a palindrome (69466496).

The spelling of 66342130 in words is "sixty-six million, three hundred forty-two thousand, one hundred thirty".