80165073 has 4 divisors (see below), whose sum is σ = 106886768. Its totient is φ = 53443380.

The previous prime is 80165069. The next prime is 80165083. The reversal of 80165073 is 37056108.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 80165073 - 2² = 80165069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 80165073.

It is not an unprimeable number, because it can be changed into a prime (80165083) 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 in 3 ways as a sum of consecutive naturals, for example, 13360843 + ... + 13360848.

It is an arithmetic number, because the mean of its divisors is an integer number (26721692).

Almost surely, 2^80165073 is an apocalyptic number.

It is an amenable number.

80165073 is a deficient number, since it is larger than the sum of its proper divisors (26721695).

80165073 is a wasteful number, since it uses less digits than its factorization.

80165073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26721694.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 80165073 is about 8953.4950159142. The cubic root of 80165073 is about 431.1831002294.

The spelling of 80165073 in words is "eighty million, one hundred sixty-five thousand, seventy-three".