168892147 has 8 divisors (see below), whose sum is σ = 170024400. Its totient is φ = 167763840.

The previous prime is 168892133. The next prime is 168892153. The reversal of 168892147 is 741298861.

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 168892147 - 2⁷ = 168892019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168892097 and 168892106.

It is not an unprimeable number, because it can be changed into a prime (168892447) 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, 160479 + ... + 161527.

It is an arithmetic number, because the mean of its divisors is an integer number (21253050).

Almost surely, 2^168892147 is an apocalyptic number.

168892147 is a deficient number, since it is larger than the sum of its proper divisors (1132253).

168892147 is a wasteful number, since it uses less digits than its factorization.

168892147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973.

The product of its digits is 193536, while the sum is 46.

The square root of 168892147 is about 12995.8511456541. The cubic root of 168892147 is about 552.7598439234.

The spelling of 168892147 in words is "one hundred sixty-eight million, eight hundred ninety-two thousand, one hundred forty-seven".