163577661088 has 12 divisors (see below), whose sum is σ = 322043520330. Its totient is φ = 81788830528.

The previous prime is 163577661053. The next prime is 163577661089. The reversal of 163577661088 is 880166775361.

It can be written as a sum of positive squares in only one way, i.e., 150410557584 + 13167103504 = 387828^2 + 114748^2 .

It is not an unprimeable number, because it can be changed into a prime (163577661089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555900923 + ... + 2555900986.

Almost surely, 2^163577661088 is an apocalyptic number.

It is an amenable number.

163577661088 is a deficient number, since it is larger than the sum of its proper divisors (158465859242).

163577661088 is an equidigital number, since it uses as much as digits as its factorization.

163577661088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111801919 (or 5111801911 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 58.

The spelling of 163577661088 in words is "one hundred sixty-three billion, five hundred seventy-seven million, six hundred sixty-one thousand, eighty-eight".