65663464342 has 64 divisors (see below), whose sum is σ = 122126247936. Its totient is φ = 25836779520.

The previous prime is 65663464319. The next prime is 65663464343. The reversal of 65663464342 is 24346436656.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65663464343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3424542 + ... + 3443662.

It is an arithmetic number, because the mean of its divisors is an integer number (1908222624).

Almost surely, 2^65663464342 is an apocalyptic number.

65663464342 is a deficient number, since it is larger than the sum of its proper divisors (56462783594).

65663464342 is a wasteful number, since it uses less digits than its factorization.

65663464342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19501.

The product of its digits is 7464960, while the sum is 49.

The spelling of 65663464342 in words is "sixty-five billion, six hundred sixty-three million, four hundred sixty-four thousand, three hundred forty-two".