163621022462513 has 16 divisors (see below), whose sum is σ = 204325665105024. Its totient is φ = 127290260549760.

The previous prime is 163621022462483. The next prime is 163621022462531. The reversal of 163621022462513 is 315264220126361.

It is not a de Polignac number, because 163621022462513 - 2²⁰ = 163621021413937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163621022462113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1721952770 + ... + 1722047787.

It is an arithmetic number, because the mean of its divisors is an integer number (12770354069064).

Almost surely, 2^{163621022462513} is an apocalyptic number.

It is an amenable number.

163621022462513 is a deficient number, since it is larger than the sum of its proper divisors (40704642642511).

163621022462513 is a wasteful number, since it uses less digits than its factorization.

163621022462513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444001192.

The product of its (nonzero) digits is 622080, while the sum is 44.

Adding to 163621022462513 its reverse (315264220126361), we get a palindrome (478885242588874).

The spelling of 163621022462513 in words is "one hundred sixty-three trillion, six hundred twenty-one billion, twenty-two million, four hundred sixty-two thousand, five hundred thirteen".