28435146161 has 8 divisors (see below), whose sum is σ = 28837672320. Its totient is φ = 28033684848.

The previous prime is 28435146151. The next prime is 28435146163. The reversal of 28435146161 is 16164153482.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28435146161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28435146163) 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, 212351 + ... + 319316.

It is an arithmetic number, because the mean of its divisors is an integer number (3604709040).

Almost surely, 2^28435146161 is an apocalyptic number.

It is an amenable number.

28435146161 is a deficient number, since it is larger than the sum of its proper divisors (402526159).

28435146161 is an equidigital number, since it uses as much as digits as its factorization.

28435146161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532423.

The product of its digits is 138240, while the sum is 41.

The spelling of 28435146161 in words is "twenty-eight billion, four hundred thirty-five million, one hundred forty-six thousand, one hundred sixty-one".