162140322415 has 4 divisors (see below), whose sum is σ = 194568386904. Its totient is φ = 129712257928.

The previous prime is 162140322413. The next prime is 162140322431. The reversal of 162140322415 is 514223041261.

162140322415 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 an emirpimes, since its reverse is a distinct semiprime: 514223041261 = 29 ⋅17731829009.

It is a cyclic number.

It is not a de Polignac number, because 162140322415 - 2¹ = 162140322413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162140322413) 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, 16214032237 + ... + 16214032246.

It is an arithmetic number, because the mean of its divisors is an integer number (48642096726).

Almost surely, 2^162140322415 is an apocalyptic number.

162140322415 is a deficient number, since it is larger than the sum of its proper divisors (32428064489).

162140322415 is an equidigital number, since it uses as much as digits as its factorization.

162140322415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32428064488.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 162140322415 its reverse (514223041261), we get a palindrome (676363363676).

The spelling of 162140322415 in words is "one hundred sixty-two billion, one hundred forty million, three hundred twenty-two thousand, four hundred fifteen".