80166575 has 12 divisors (see below), whose sum is σ = 99829920. Its totient is φ = 63860160.

The previous prime is 80166551. The next prime is 80166587. The reversal of 80166575 is 57566108.

It is a happy number.

It is not a de Polignac number, because 80166575 - 2⁶ = 80166511 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 734 + ... + 12683.

It is an arithmetic number, because the mean of its divisors is an integer number (8319160).

Almost surely, 2^80166575 is an apocalyptic number.

80166575 is a deficient number, since it is larger than the sum of its proper divisors (19663345).

80166575 is a wasteful number, since it uses less digits than its factorization.

80166575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13666 (or 13661 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 80166575 is about 8953.5788933811. The cubic root of 80166575 is about 431.1857931435.

It can be divided in two parts, 801 and 66575, that added together give a palindrome (67376).

The spelling of 80166575 in words is "eighty million, one hundred sixty-six thousand, five hundred seventy-five".