80395354790161 has 4 divisors (see below), whose sum is σ = 80395402039524. Its totient is φ = 80395307540800.

The previous prime is 80395354790143. The next prime is 80395354790209. The reversal of 80395354790161 is 16109745359308.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77630637180625 + 2764717609536 = 8810825^2 + 1662744^2 .

It is a cyclic number.

It is not a de Polignac number, because 80395354790161 - 2⁷ = 80395354790033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80395354790161.

It is not an unprimeable number, because it can be changed into a prime (80395354797161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20973220 + ... + 24508501.

It is an arithmetic number, because the mean of its divisors is an integer number (20098850509881).

Almost surely, 2^{80395354790161} is an apocalyptic number.

It is an amenable number.

80395354790161 is a deficient number, since it is larger than the sum of its proper divisors (47249363).

80395354790161 is a wasteful number, since it uses less digits than its factorization.

80395354790161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47249362.

The product of its (nonzero) digits is 24494400, while the sum is 61.

The spelling of 80395354790161 in words is "eighty trillion, three hundred ninety-five billion, three hundred fifty-four million, seven hundred ninety thousand, one hundred sixty-one".