80169136 has 20 divisors (see below), whose sum is σ = 156019032. Its totient is φ = 39906176.

The previous prime is 80169109. The next prime is 80169143. The reversal of 80169136 is 63196108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7405 + ... + 14668.

Almost surely, 2^80169136 is an apocalyptic number.

It is an amenable number.

80169136 is a deficient number, since it is larger than the sum of its proper divisors (75849896).

80169136 is a wasteful number, since it uses less digits than its factorization.

80169136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22308 (or 22302 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 80169136 is about 8953.7219076762. The cubic root of 80169136 is about 431.1903846459.

The spelling of 80169136 in words is "eighty million, one hundred sixty-nine thousand, one hundred thirty-six".