66430136 has 16 divisors (see below), whose sum is σ = 124643040. Its totient is φ = 33192000.

The previous prime is 66430121. The next prime is 66430163. The reversal of 66430136 is 63103466.

It is a junction number, because it is equal to n+sod(n) for n = 66430099 and 66430108.

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, 20636 + ... + 23636.

It is an arithmetic number, because the mean of its divisors is an integer number (7790190).

Almost surely, 2^66430136 is an apocalyptic number.

It is an amenable number.

66430136 is a deficient number, since it is larger than the sum of its proper divisors (58212904).

66430136 is a wasteful number, since it uses less digits than its factorization.

66430136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5774 (or 5770 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 66430136 is about 8150.4684527946. The cubic root of 66430136 is about 405.0000223543. Note that the first 4 decimals are identical.

It can be divided in two parts, 66430 and 136, that added together give a palindrome (66566).

The spelling of 66430136 in words is "sixty-six million, four hundred thirty thousand, one hundred thirty-six".