162138022 has 16 divisors (see below), whose sum is σ = 247185792. Its totient is φ = 79752960.

The previous prime is 162138013. The next prime is 162138023. The reversal of 162138022 is 220831261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162138023) 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, 31147 + ... + 35977.

It is an arithmetic number, because the mean of its divisors is an integer number (15449112).

Almost surely, 2^162138022 is an apocalyptic number.

162138022 is a deficient number, since it is larger than the sum of its proper divisors (85047770).

162138022 is a wasteful number, since it uses less digits than its factorization.

162138022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5103.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 162138022 is about 12733.3429232076. The cubic root of 162138022 is about 545.2909503344.

Adding to 162138022 its reverse (220831261), we get a palindrome (382969283).

The spelling of 162138022 in words is "one hundred sixty-two million, one hundred thirty-eight thousand, twenty-two".