166850887 has 8 divisors (see below), whose sum is σ = 191165472. Its totient is φ = 142656000.

The previous prime is 166850867. The next prime is 166850911. The reversal of 166850887 is 788058661.

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

It is a cyclic number.

It is not a de Polignac number, because 166850887 - 2⁷ = 166850759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 166850887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166850867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26914 + ... + 32527.

It is an arithmetic number, because the mean of its divisors is an integer number (23895684).

Almost surely, 2^166850887 is an apocalyptic number.

166850887 is a deficient number, since it is larger than the sum of its proper divisors (24314585).

166850887 is an equidigital number, since it uses as much as digits as its factorization.

166850887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59849.

The product of its (nonzero) digits is 645120, while the sum is 49.

The square root of 166850887 is about 12917.0773397081. The cubic root of 166850887 is about 550.5238942025.

The spelling of 166850887 in words is "one hundred sixty-six million, eight hundred fifty thousand, eight hundred eighty-seven".