80495061385216 has 135 divisors (see below), whose sum is σ = 166796854905499. Its totient is φ = 38843607154688.

The previous prime is 80495061385157. The next prime is 80495061385217. The reversal of 80495061385216 is 61258316059408.

It is a happy number.

The square root of 80495061385216 is 8971904.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 29239542169600 + 51255519215616 = 5407360^2 + 7159296^2 .

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80495061385217) 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 in 8 ways as a sum of consecutive naturals, for example, 33303706440 + ... + 33303708856.

Almost surely, 2^{80495061385216} is an apocalyptic number.

80495061385216 is the 8971904-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80495061385216

80495061385216 is an abundant number, since it is smaller than the sum of its proper divisors (86301793520283).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80495061385216 is an frugal number, since it uses more digits than its factorization.

80495061385216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4920 (or 2448 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 58.

The spelling of 80495061385216 in words is "eighty trillion, four hundred ninety-five billion, sixty-one million, three hundred eighty-five thousand, two hundred sixteen".