10643161640223 has 32 divisors (see below), whose sum is σ = 17071969075200. Its totient is φ = 5761633566816.

The previous prime is 10643161640213. The next prime is 10643161640239. The reversal of 10643161640223 is 32204616134601.

It is not a de Polignac number, because 10643161640223 - 2⁵ = 10643161640191 is a prime.

It is a super-2 number, since 2×10643161640223² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10643161640213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41200858 + ... + 41458376.

It is an arithmetic number, because the mean of its divisors is an integer number (533499033600).

Almost surely, 2^{10643161640223} is an apocalyptic number.

10643161640223 is a deficient number, since it is larger than the sum of its proper divisors (6428807434977).

10643161640223 is a wasteful number, since it uses less digits than its factorization.

10643161640223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361131.

The product of its (nonzero) digits is 124416, while the sum is 39.

Adding to 10643161640223 its reverse (32204616134601), we get a palindrome (42847777774824).

The spelling of 10643161640223 in words is "ten trillion, six hundred forty-three billion, one hundred sixty-one million, six hundred forty thousand, two hundred twenty-three".