162837139406 has 4 divisors (see below), whose sum is σ = 244255709112. Its totient is φ = 81418569702.

The previous prime is 162837139391. The next prime is 162837139433. The reversal of 162837139406 is 604931738261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 604931738261 = 18701 ⋅32347561.

It is a super-3 number, since 3×162837139406³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40709284850 + ... + 40709284853.

It is an arithmetic number, because the mean of its divisors is an integer number (61063927278).

Almost surely, 2^162837139406 is an apocalyptic number.

162837139406 is a deficient number, since it is larger than the sum of its proper divisors (81418569706).

162837139406 is an equidigital number, since it uses as much as digits as its factorization.

162837139406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81418569705.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 162837139406 in words is "one hundred sixty-two billion, eight hundred thirty-seven million, one hundred thirty-nine thousand, four hundred six".