163620201622 has 24 divisors (see below), whose sum is σ = 257765509872. Its totient is φ = 77876484000.

The previous prime is 163620201601. The next prime is 163620201623. The reversal of 163620201622 is 226102026361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163620201623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 565629 + ... + 804472.

It is an arithmetic number, because the mean of its divisors is an integer number (10740229578).

Almost surely, 2^163620201622 is an apocalyptic number.

163620201622 is a deficient number, since it is larger than the sum of its proper divisors (94145308250).

163620201622 is a wasteful number, since it uses less digits than its factorization.

163620201622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370232 (or 1370203 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 163620201622 its reverse (226102026361), we get a palindrome (389722227983).

The spelling of 163620201622 in words is "one hundred sixty-three billion, six hundred twenty million, two hundred one thousand, six hundred twenty-two".