441166764163161 has 8 divisors (see below), whose sum is σ = 608505881604480. Its totient is φ = 283969411415312.

The previous prime is 441166764163127. The next prime is 441166764163201. The reversal of 441166764163161 is 161361467661144.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 441166764163161 - 2¹¹ = 441166764161113 is a prime.

It is a super-2 number, since 2×441166764163161² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (441166764183161) 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, 2535441173265 + ... + 2535441173438.

It is an arithmetic number, because the mean of its divisors is an integer number (76063235200560).

Almost surely, 2^{441166764163161} is an apocalyptic number.

It is an amenable number.

441166764163161 is a deficient number, since it is larger than the sum of its proper divisors (167339117441319).

441166764163161 is a wasteful number, since it uses less digits than its factorization.

441166764163161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5070882346735.

The product of its digits is 10450944, while the sum is 57.

The spelling of 441166764163161 in words is "four hundred forty-one trillion, one hundred sixty-six billion, seven hundred sixty-four million, one hundred sixty-three thousand, one hundred sixty-one".