80165532804 has 48 divisors (see below), whose sum is σ = 223069314048. Its totient is φ = 21908592288.

The previous prime is 80165532803. The next prime is 80165532823. The reversal of 80165532804 is 40823556108.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (80165532803) 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 15 ways as a sum of consecutive naturals, for example, 20744842 + ... + 20748705.

It is an arithmetic number, because the mean of its divisors is an integer number (4647277376).

Almost surely, 2^80165532804 is an apocalyptic number.

80165532804 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

80165532804 is an abundant number, since it is smaller than the sum of its proper divisors (142903781244).

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

80165532804 is a wasteful number, since it uses less digits than its factorization.

80165532804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41493584 (or 41493582 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 80165532804 in words is "eighty billion, one hundred sixty-five million, five hundred thirty-two thousand, eight hundred four".