66507003434 has 16 divisors (see below), whose sum is σ = 104443909920. Its totient is φ = 31719997680.

The previous prime is 66507003421. The next prime is 66507003461. The reversal of 66507003434 is 43430070566.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6902852 + ... + 6912479.

It is an arithmetic number, because the mean of its divisors is an integer number (6527744370).

Almost surely, 2^66507003434 is an apocalyptic number.

66507003434 is a deficient number, since it is larger than the sum of its proper divisors (37936906486).

66507003434 is a wasteful number, since it uses less digits than its factorization.

66507003434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13815445.

The product of its (nonzero) digits is 181440, while the sum is 38.

The spelling of 66507003434 in words is "sixty-six billion, five hundred seven million, three thousand, four hundred thirty-four".