65630442466066 has 16 divisors (see below), whose sum is σ = 98458294996800. Its totient is φ = 32811011080848.

The previous prime is 65630442466063. The next prime is 65630442466073. The reversal of 65630442466066 is 66066424403656.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 65630442466066.

It is not an unprimeable number, because it can be changed into a prime (65630442466063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642735571 + ... + 642837673.

It is an arithmetic number, because the mean of its divisors is an integer number (6153643437300).

Almost surely, 2^{65630442466066} is an apocalyptic number.

65630442466066 is a deficient number, since it is larger than the sum of its proper divisors (32827852530734).

65630442466066 is a wasteful number, since it uses less digits than its factorization.

65630442466066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140193.

The product of its (nonzero) digits is 89579520, while the sum is 58.

The spelling of 65630442466066 in words is "sixty-five trillion, six hundred thirty billion, four hundred forty-two million, four hundred sixty-six thousand, sixty-six".