166058287 has 8 divisors (see below), whose sum is σ = 169801632. Its totient is φ = 162348000.

The previous prime is 166058281. The next prime is 166058311. The reversal of 166058287 is 782850661.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166058287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166058281) 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, 2037 + ... + 18337.

It is an arithmetic number, because the mean of its divisors is an integer number (21225204).

Almost surely, 2^166058287 is an apocalyptic number.

166058287 is a deficient number, since it is larger than the sum of its proper divisors (3743345).

166058287 is a wasteful number, since it uses less digits than its factorization.

166058287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16529.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 166058287 is about 12886.3605024848. The cubic root of 166058287 is about 549.6507832741.

The spelling of 166058287 in words is "one hundred sixty-six million, fifty-eight thousand, two hundred eighty-seven".