80133644 has 6 divisors (see below), whose sum is σ = 140233884. Its totient is φ = 40066820.

The previous prime is 80133551. The next prime is 80133649. The reversal of 80133644 is 44633108.

It is not an unprimeable number, because it can be changed into a prime (80133649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10016702 + ... + 10016709.

It is an arithmetic number, because the mean of its divisors is an integer number (23372314).

Almost surely, 2^80133644 is an apocalyptic number.

It is an amenable number.

80133644 is a deficient number, since it is larger than the sum of its proper divisors (60100240).

80133644 is a wasteful number, since it uses less digits than its factorization.

80133644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20033415 (or 20033413 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 80133644 is about 8951.7397191831. The cubic root of 80133644 is about 431.1267439114.

The spelling of 80133644 in words is "eighty million, one hundred thirty-three thousand, six hundred forty-four".