80148436556 has 48 divisors (see below), whose sum is σ = 148792539168. Its totient is φ = 37730035200.

The previous prime is 80148436553. The next prime is 80148436579. The reversal of 80148436556 is 65563484108.

It is a super-2 number, since 2×80148436556² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80148436553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454631 + ... + 605793.

It is an arithmetic number, because the mean of its divisors is an integer number (3099844566).

Almost surely, 2^80148436556 is an apocalyptic number.

It is an amenable number.

80148436556 is a deficient number, since it is larger than the sum of its proper divisors (68644102612).

80148436556 is a wasteful number, since it uses less digits than its factorization.

80148436556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151322 (or 151320 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 50.

The spelling of 80148436556 in words is "eighty billion, one hundred forty-eight million, four hundred thirty-six thousand, five hundred fifty-six".