162239478 has 8 divisors (see below), whose sum is σ = 324478968. Its totient is φ = 54079824.

The previous prime is 162239477. The next prime is 162239489. The reversal of 162239478 is 874932261.

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

162239478 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162239477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13519951 + ... + 13519962.

It is an arithmetic number, because the mean of its divisors is an integer number (40559871).

Almost surely, 2^162239478 is an apocalyptic number.

162239478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162239478 is a wasteful number, since it uses less digits than its factorization.

162239478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27039918.

The product of its digits is 145152, while the sum is 42.

The square root of 162239478 is about 12737.3261715322. The cubic root of 162239478 is about 545.4046631303.

The spelling of 162239478 in words is "one hundred sixty-two million, two hundred thirty-nine thousand, four hundred seventy-eight".