162558138 has 8 divisors (see below), whose sum is σ = 325116288. Its totient is φ = 54186044.

The previous prime is 162558133. The next prime is 162558139. The reversal of 162558138 is 831855261.

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

162558138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 162558096 and 162558105.

It is not an unprimeable number, because it can be changed into a prime (162558133) 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 3 ways as a sum of consecutive naturals, for example, 13546506 + ... + 13546517.

It is an arithmetic number, because the mean of its divisors is an integer number (40639536).

Almost surely, 2^162558138 is an apocalyptic number.

162558138 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.

162558138 is a wasteful number, since it uses less digits than its factorization.

162558138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27093028.

The product of its digits is 57600, while the sum is 39.

The square root of 162558138 is about 12749.8289400290. The cubic root of 162558138 is about 545.7615121294.

The spelling of 162558138 in words is "one hundred sixty-two million, five hundred fifty-eight thousand, one hundred thirty-eight".