416444666161 has 4 divisors (see below), whose sum is σ = 416456430192. Its totient is φ = 416432902132.

The previous prime is 416444666123. The next prime is 416444666167. The reversal of 416444666161 is 161666444614.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 416444666161 - 2⁹ = 416444665649 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (416444666167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5828755 + ... + 5899768.

It is an arithmetic number, because the mean of its divisors is an integer number (104114107548).

Almost surely, 2^416444666161 is an apocalyptic number.

It is an amenable number.

416444666161 is a deficient number, since it is larger than the sum of its proper divisors (11764031).

416444666161 is a wasteful number, since it uses less digits than its factorization.

416444666161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11764030.

The product of its digits is 1990656, while the sum is 49.

The spelling of 416444666161 in words is "four hundred sixteen billion, four hundred forty-four million, six hundred sixty-six thousand, one hundred sixty-one".