65006206646 has 4 divisors (see below), whose sum is σ = 97509309972. Its totient is φ = 32503103322.

The previous prime is 65006206631. The next prime is 65006206669. The reversal of 65006206646 is 64660260056.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16251551660 + ... + 16251551663.

It is an arithmetic number, because the mean of its divisors is an integer number (24377327493).

Almost surely, 2^65006206646 is an apocalyptic number.

65006206646 is a deficient number, since it is larger than the sum of its proper divisors (32503103326).

65006206646 is a wasteful number, since it uses less digits than its factorization.

65006206646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32503103325.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 65006206646 in words is "sixty-five billion, six million, two hundred six thousand, six hundred forty-six".