16145854161 has 8 divisors (see below), whose sum is σ = 22052874144. Its totient is φ = 10501368480.

The previous prime is 16145854147. The next prime is 16145854163.

16145854161 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 16145854161 - 2⁷ = 16145854033 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (16145854163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65633431 + ... + 65633676.

It is an arithmetic number, because the mean of its divisors is an integer number (2756609268).

Almost surely, 2^16145854161 is an apocalyptic number.

It is an amenable number.

16145854161 is a deficient number, since it is larger than the sum of its proper divisors (5907019983).

16145854161 is a wasteful number, since it uses less digits than its factorization.

16145854161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131267151.

The product of its digits is 115200, while the sum is 42.

The spelling of 16145854161 in words is "sixteen billion, one hundred forty-five million, eight hundred fifty-four thousand, one hundred sixty-one".