163154451361 has 16 divisors (see below), whose sum is σ = 179916295680. Its totient is φ = 146718708480.

The previous prime is 163154451347. The next prime is 163154451367.

It is a happy number.

163154451361 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 163154451361 - 2¹⁵ = 163154418593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163154451367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615705 + ... + 839881.

It is an arithmetic number, because the mean of its divisors is an integer number (11244768480).

Almost surely, 2^163154451361 is an apocalyptic number.

163154451361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

163154451361 is a deficient number, since it is larger than the sum of its proper divisors (16761844319).

163154451361 is a wasteful number, since it uses less digits than its factorization.

163154451361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224904.

The product of its digits is 129600, while the sum is 40.

The spelling of 163154451361 in words is "one hundred sixty-three billion, one hundred fifty-four million, four hundred fifty-one thousand, three hundred sixty-one".