80166387 has 8 divisors (see below), whose sum is σ = 122158336. Its totient is φ = 45809352.

The previous prime is 80166323. The next prime is 80166389. The reversal of 80166387 is 78366108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80166387 - 2⁶ = 80166323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80166389) 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 7 ways as a sum of consecutive naturals, for example, 1908703 + ... + 1908744.

It is an arithmetic number, because the mean of its divisors is an integer number (15269792).

Almost surely, 2^80166387 is an apocalyptic number.

80166387 is a deficient number, since it is larger than the sum of its proper divisors (41991949).

80166387 is a wasteful number, since it uses less digits than its factorization.

80166387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3817457.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 80166387 is about 8953.5683947798. The cubic root of 80166387 is about 431.1854560829.

The spelling of 80166387 in words is "eighty million, one hundred sixty-six thousand, three hundred eighty-seven".