163235731214 has 4 divisors (see below), whose sum is σ = 244853596824. Its totient is φ = 81617865606.

The previous prime is 163235731213. The next prime is 163235731237. The reversal of 163235731214 is 412137532361.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163235731213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40808932802 + ... + 40808932805.

It is an arithmetic number, because the mean of its divisors is an integer number (61213399206).

Almost surely, 2^163235731214 is an apocalyptic number.

163235731214 is a deficient number, since it is larger than the sum of its proper divisors (81617865610).

163235731214 is an equidigital number, since it uses as much as digits as its factorization.

163235731214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81617865609.

The product of its digits is 90720, while the sum is 38.

The spelling of 163235731214 in words is "one hundred sixty-three billion, two hundred thirty-five million, seven hundred thirty-one thousand, two hundred fourteen".