65506112102166 has 16 divisors (see below), whose sum is σ = 131023733804544. Its totient is φ = 21833452434024.

The previous prime is 65506112102129. The next prime is 65506112102173. The reversal of 65506112102166 is 66120121160556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479492686 + ... + 479629281.

It is an arithmetic number, because the mean of its divisors is an integer number (8188983362784).

Almost surely, 2^{65506112102166} is an apocalyptic number.

65506112102166 is an abundant number, since it is smaller than the sum of its proper divisors (65517621702378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65506112102166 is a wasteful number, since it uses less digits than its factorization.

65506112102166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959133355.

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 65506112102166 in words is "sixty-five trillion, five hundred six billion, one hundred twelve million, one hundred two thousand, one hundred sixty-six".