163527745718 has 4 divisors (see below), whose sum is σ = 245291618580. Its totient is φ = 81763872858.

The previous prime is 163527745709. The next prime is 163527745739. The reversal of 163527745718 is 817547725361.

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

It is a super-2 number, since 2×163527745718² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40881936428 + ... + 40881936431.

It is an arithmetic number, because the mean of its divisors is an integer number (61322904645).

Almost surely, 2^163527745718 is an apocalyptic number.

163527745718 is a deficient number, since it is larger than the sum of its proper divisors (81763872862).

163527745718 is an equidigital number, since it uses as much as digits as its factorization.

163527745718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81763872861.

The product of its digits is 9878400, while the sum is 56.

The spelling of 163527745718 in words is "one hundred sixty-three billion, five hundred twenty-seven million, seven hundred forty-five thousand, seven hundred eighteen".