162140322143 has 4 divisors (see below), whose sum is σ = 162141127680. Its totient is φ = 162139516608.

The previous prime is 162140322107. The next prime is 162140322191. The reversal of 162140322143 is 341223041261.

162140322143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 162140322143 - 2¹⁸ = 162140059999 is a prime.

It is a super-2 number, since 2×162140322143² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162140322193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187823 + ... + 599631.

It is an arithmetic number, because the mean of its divisors is an integer number (40535281920).

Almost surely, 2^162140322143 is an apocalyptic number.

162140322143 is a deficient number, since it is larger than the sum of its proper divisors (805537).

162140322143 is an equidigital number, since it uses as much as digits as its factorization.

162140322143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805536.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 162140322143 in words is "one hundred sixty-two billion, one hundred forty million, three hundred twenty-two thousand, one hundred forty-three".