162665147 has 4 divisors (see below), whose sum is σ = 168274320. Its totient is φ = 157055976.

The previous prime is 162665141. The next prime is 162665149. The reversal of 162665147 is 741566261.

162665147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 162665147 - 2²² = 158470843 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 162665147.

It is not an unprimeable number, because it can be changed into a prime (162665141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2804543 + ... + 2804600.

It is an arithmetic number, because the mean of its divisors is an integer number (42068580).

Almost surely, 2^162665147 is an apocalyptic number.

162665147 is a deficient number, since it is larger than the sum of its proper divisors (5609173).

162665147 is an equidigital number, since it uses as much as digits as its factorization.

162665147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5609172.

The product of its digits is 60480, while the sum is 38.

The square root of 162665147 is about 12754.0247373133. The cubic root of 162665147 is about 545.8812407471.

The spelling of 162665147 in words is "one hundred sixty-two million, six hundred sixty-five thousand, one hundred forty-seven".