163880645414 has 4 divisors (see below), whose sum is σ = 245820968124. Its totient is φ = 81940322706.

The previous prime is 163880645393. The next prime is 163880645447. The reversal of 163880645414 is 414546088361.

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

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, 40970161352 + ... + 40970161355.

It is an arithmetic number, because the mean of its divisors is an integer number (61455242031).

Almost surely, 2^163880645414 is an apocalyptic number.

163880645414 is a deficient number, since it is larger than the sum of its proper divisors (81940322710).

163880645414 is an equidigital number, since it uses as much as digits as its factorization.

163880645414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81940322709.

The product of its (nonzero) digits is 2211840, while the sum is 50.

The spelling of 163880645414 in words is "one hundred sixty-three billion, eight hundred eighty million, six hundred forty-five thousand, four hundred fourteen".