163526412310445 has 4 divisors (see below), whose sum is σ = 196231694772540. Its totient is φ = 130821129848352.

The previous prime is 163526412310433. The next prime is 163526412310453. The reversal of 163526412310445 is 544013214625361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 126173706547849 + 37352705762596 = 11232707^2 + 6111686^2 .

It is a cyclic number.

It is not a de Polignac number, because 163526412310445 - 2⁸ = 163526412310189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163526412310445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16352641231040 + ... + 16352641231049.

It is an arithmetic number, because the mean of its divisors is an integer number (49057923693135).

Almost surely, 2^{163526412310445} is an apocalyptic number.

It is an amenable number.

163526412310445 is a deficient number, since it is larger than the sum of its proper divisors (32705282462095).

163526412310445 is an equidigital number, since it uses as much as digits as its factorization.

163526412310445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32705282462094.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 163526412310445 in words is "one hundred sixty-three trillion, five hundred twenty-six billion, four hundred twelve million, three hundred ten thousand, four hundred forty-five".