16065120166 has 4 divisors (see below), whose sum is σ = 24097680252. Its totient is φ = 8032560082.

The previous prime is 16065120163. The next prime is 16065120193. The reversal of 16065120166 is 66102156061.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66102156061 = 313 ⋅211188997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16065120163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4016280040 + ... + 4016280043.

It is an arithmetic number, because the mean of its divisors is an integer number (6024420063).

Almost surely, 2^16065120166 is an apocalyptic number.

16065120166 is a deficient number, since it is larger than the sum of its proper divisors (8032560086).

16065120166 is an equidigital number, since it uses as much as digits as its factorization.

16065120166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8032560085.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 16065120166 in words is "sixteen billion, sixty-five million, one hundred twenty thousand, one hundred sixty-six".