66503234 has 16 divisors (see below), whose sum is σ = 116157888. Its totient is φ = 27963312.

The previous prime is 66503233. The next prime is 66503251. The reversal of 66503234 is 43230566.

66503234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66503197 and 66503206.

It is not an unprimeable number, because it can be changed into a prime (66503233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44072 + ... + 45555.

It is an arithmetic number, because the mean of its divisors is an integer number (7259868).

Almost surely, 2^66503234 is an apocalyptic number.

66503234 is a deficient number, since it is larger than the sum of its proper divisors (49654654).

66503234 is a wasteful number, since it uses less digits than its factorization.

66503234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89689.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 66503234 is about 8154.9515020017. The cubic root of 66503234 is about 405.1485184100.

The spelling of 66503234 in words is "sixty-six million, five hundred three thousand, two hundred thirty-four".