163327842722 has 54 divisors (see below), whose sum is σ = 273445616241. Its totient is φ = 73111140960.

The previous prime is 163327842649. The next prime is 163327842749. The reversal of 163327842722 is 227248723361.

It can be written as a sum of positive squares in 2 ways, for example, as 94667597761 + 68660244961 = 307681^2 + 262031^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=285769.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 521814038 + ... + 521814350.

Almost surely, 2^163327842722 is an apocalyptic number.

163327842722 is a deficient number, since it is larger than the sum of its proper divisors (110117773519).

163327842722 is an frugal number, since it uses more digits than its factorization.

163327842722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816 (or 409 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 47.

The spelling of 163327842722 in words is "one hundred sixty-three billion, three hundred twenty-seven million, eight hundred forty-two thousand, seven hundred twenty-two".