146166889 has 8 divisors (see below), whose sum is σ = 160159968. Its totient is φ = 132291360.

The previous prime is 146166887. The next prime is 146166907. The reversal of 146166889 is 988661641.

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 146166889 - 2¹ = 146166887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146166883) 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 7 ways as a sum of consecutive naturals, for example, 26772 + ... + 31765.

It is an arithmetic number, because the mean of its divisors is an integer number (20019996).

Almost surely, 2^146166889 is an apocalyptic number.

It is an amenable number.

146166889 is a deficient number, since it is larger than the sum of its proper divisors (13993079).

146166889 is a wasteful number, since it uses less digits than its factorization.

146166889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58775.

The product of its digits is 497664, while the sum is 49.

The square root of 146166889 is about 12089.9499171833. The cubic root of 146166889 is about 526.7643004293.

The spelling of 146166889 in words is "one hundred forty-six million, one hundred sixty-six thousand, eight hundred eighty-nine".