66051430 has 16 divisors (see below), whose sum is σ = 119831040. Its totient is φ = 26212032.

The previous prime is 66051413. The next prime is 66051449. The reversal of 66051430 is 3415066.

It is a junction number, because it is equal to n+sod(n) for n = 66051395 and 66051404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24735 + ... + 27274.

It is an arithmetic number, because the mean of its divisors is an integer number (7489440).

Almost surely, 2^66051430 is an apocalyptic number.

66051430 is a deficient number, since it is larger than the sum of its proper divisors (53779610).

66051430 is a wasteful number, since it uses less digits than its factorization.

66051430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52143.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 66051430 is about 8127.2030859331. The cubic root of 66051430 is about 404.2289449973.

Adding to 66051430 its reverse (3415066), we get a palindrome (69466496).

The spelling of 66051430 in words is "sixty-six million, fifty-one thousand, four hundred thirty".