361646646163 has 16 divisors (see below), whose sum is σ = 398573896032. Its totient is φ = 325396800000.

The previous prime is 361646646157. The next prime is 361646646199.

361646646163 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 361646646163 - 2⁵ = 361646646131 is a prime.

It is a super-2 number, since 2×361646646163² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 361646646163.

It is not an unprimeable number, because it can be changed into a prime (361646646143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3090013 + ... + 3204913.

It is an arithmetic number, because the mean of its divisors is an integer number (24910868502).

Almost surely, 2^361646646163 is an apocalyptic number.

361646646163 is a deficient number, since it is larger than the sum of its proper divisors (36927249869).

361646646163 is a wasteful number, since it uses less digits than its factorization.

361646646163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117846.

The product of its digits is 6718464, while the sum is 52.

The spelling of 361646646163 in words is "three hundred sixty-one billion, six hundred forty-six million, six hundred forty-six thousand, one hundred sixty-three".