163645210414 has 16 divisors (see below), whose sum is σ = 280595782368. Its totient is φ = 70118377632.

The previous prime is 163645210397. The next prime is 163645210429. The reversal of 163645210414 is 414012546361.

163645210414 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1207009 + ... + 1335724.

It is an arithmetic number, because the mean of its divisors is an integer number (17537236398).

Almost surely, 2^163645210414 is an apocalyptic number.

163645210414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

163645210414 is a deficient number, since it is larger than the sum of its proper divisors (116950571954).

163645210414 is a wasteful number, since it uses less digits than its factorization.

163645210414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2547339.

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 163645210414 its reverse (414012546361), we get a palindrome (577657756775).

The spelling of 163645210414 in words is "one hundred sixty-three billion, six hundred forty-five million, two hundred ten thousand, four hundred fourteen".