66246247234 has 16 divisors (see below), whose sum is σ = 101502834048. Its totient is φ = 32412236272.

The previous prime is 66246247201. The next prime is 66246247259. The reversal of 66246247234 is 43274264266.

It is a happy number.

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, 453672 + ... + 581644.

It is an arithmetic number, because the mean of its divisors is an integer number (6343927128).

Almost surely, 2^66246247234 is an apocalyptic number.

66246247234 is a deficient number, since it is larger than the sum of its proper divisors (35256586814).

66246247234 is a wasteful number, since it uses less digits than its factorization.

66246247234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133529.

The product of its digits is 2322432, while the sum is 46.

The spelling of 66246247234 in words is "sixty-six billion, two hundred forty-six million, two hundred forty-seven thousand, two hundred thirty-four".