163522202618 has 8 divisors (see below), whose sum is σ = 253741348980. Its totient is φ = 78941752960.

The previous prime is 163522202617. The next prime is 163522202633. The reversal of 163522202618 is 816202225361.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 142798584769 + 20723617849 = 377887^2 + 143957^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (163522202617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1409674103 + ... + 1409674218.

Almost surely, 2^163522202618 is an apocalyptic number.

163522202618 is a deficient number, since it is larger than the sum of its proper divisors (90219146362).

163522202618 is a wasteful number, since it uses less digits than its factorization.

163522202618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819348352.

The product of its (nonzero) digits is 69120, while the sum is 38.

Adding to 163522202618 its reverse (816202225361), we get a palindrome (979724427979).

The spelling of 163522202618 in words is "one hundred sixty-three billion, five hundred twenty-two million, two hundred two thousand, six hundred eighteen".