162218047 has 8 divisors (see below), whose sum is σ = 165972800. Its totient is φ = 158505984.

The previous prime is 162218041. The next prime is 162218117. The reversal of 162218047 is 740812261.

162218047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 162218047 - 2¹⁵ = 162185279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162218041) 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, 2922 + ... + 18247.

It is an arithmetic number, because the mean of its divisors is an integer number (20746600).

Almost surely, 2^162218047 is an apocalyptic number.

162218047 is a deficient number, since it is larger than the sum of its proper divisors (3754753).

162218047 is an equidigital number, since it uses as much as digits as its factorization.

162218047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21345.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 162218047 is about 12736.4848761344. The cubic root of 162218047 is about 545.3806470232.

The spelling of 162218047 in words is "one hundred sixty-two million, two hundred eighteen thousand, forty-seven".