80069616091648 has 40 divisors (see below), whose sum is σ = 160219158349932. Its totient is φ = 39975672262656.

The previous prime is 80069616091639. The next prime is 80069616091651. The reversal of 80069616091648 is 84619061696008.

It can be written as a sum of positive squares in 2 ways, for example, as 63016416370944 + 17053199720704 = 7938288^2 + 4129552^2 .

It is a super-2 number, since 2×80069616091648² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a self number, because there is not a number n which added to its sum of digits gives 80069616091648.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115152615 + ... + 115845862.

Almost surely, 2^{80069616091648} is an apocalyptic number.

It is an amenable number.

80069616091648 is an abundant number, since it is smaller than the sum of its proper divisors (80149542258284).

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

80069616091648 is an equidigital number, since it uses as much as digits as its factorization.

80069616091648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230999172 (or 230999156 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 64.

The spelling of 80069616091648 in words is "eighty trillion, sixty-nine billion, six hundred sixteen million, ninety-one thousand, six hundred forty-eight".