66132830 has 8 divisors (see below), whose sum is σ = 119039112. Its totient is φ = 26453128.

The previous prime is 66132821. The next prime is 66132929. The reversal of 66132830 is 3823166.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 66132793 and 66132802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3306632 + ... + 3306651.

It is an arithmetic number, because the mean of its divisors is an integer number (14879889).

Almost surely, 2^66132830 is an apocalyptic number.

66132830 is a deficient number, since it is larger than the sum of its proper divisors (52906282).

66132830 is a wasteful number, since it uses less digits than its factorization.

66132830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6613290.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 66132830 is about 8132.2094168805. The cubic root of 66132830 is about 404.3949304453.

Adding to 66132830 its reverse (3823166), we get a palindrome (69955996).

The spelling of 66132830 in words is "sixty-six million, one hundred thirty-two thousand, eight hundred thirty".