163810430045 has 6 divisors (see below), whose sum is σ = 196573602078. Its totient is φ = 131047620024.

The previous prime is 163810430009. The next prime is 163810430057. The reversal of 163810430045 is 540034018361.

It can be written as a sum of positive squares in only one way, i.e., 131048344036 + 32762086009 = 362006^2 + 181003^2 .

It is a de Polignac number, because none of the positive numbers 2^k-163810430045 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163810429987 and 163810430014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 814514 + ... + 995516.

It is an arithmetic number, because the mean of its divisors is an integer number (32762267013).

Almost surely, 2^163810430045 is an apocalyptic number.

It is an amenable number.

163810430045 is a deficient number, since it is larger than the sum of its proper divisors (32763172033).

163810430045 is an frugal number, since it uses more digits than its factorization.

163810430045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362011 (or 181008 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 163810430045 in words is "one hundred sixty-three billion, eight hundred ten million, four hundred thirty thousand, forty-five".