147165986 has 8 divisors (see below), whose sum is σ = 240817104. Its totient is φ = 66893620.

The previous prime is 147165979. The next prime is 147166003. The reversal of 147165986 is 689561741.

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

It is a self number, because there is not a number n which added to its sum of digits gives 147165986.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3344660 + ... + 3344703.

It is an arithmetic number, because the mean of its divisors is an integer number (30102138).

Almost surely, 2^147165986 is an apocalyptic number.

147165986 is a deficient number, since it is larger than the sum of its proper divisors (93651118).

147165986 is a wasteful number, since it uses less digits than its factorization.

147165986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6689376.

The product of its digits is 362880, while the sum is 47.

The square root of 147165986 is about 12131.1988690319. The cubic root of 147165986 is about 527.9617764838.

It can be divided in two parts, 14716 and 5986, that added together give a palindrome (20702).

The spelling of 147165986 in words is "one hundred forty-seven million, one hundred sixty-five thousand, nine hundred eighty-six".