162613203121 has 4 divisors (see below), whose sum is σ = 163329561072. Its totient is φ = 161896845172.

The previous prime is 162613203089. The next prime is 162613203131. The reversal of 162613203121 is 121302316261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 162613203121 - 2⁵ = 162613203089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 162613203121.

It is not an unprimeable number, because it can be changed into a prime (162613203131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358178635 + ... + 358179088.

It is an arithmetic number, because the mean of its divisors is an integer number (40832390268).

Almost surely, 2^162613203121 is an apocalyptic number.

It is an amenable number.

162613203121 is a deficient number, since it is larger than the sum of its proper divisors (716357951).

162613203121 is an equidigital number, since it uses as much as digits as its factorization.

162613203121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716357950.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 162613203121 its reverse (121302316261), we get a palindrome (283915519382).

The spelling of 162613203121 in words is "one hundred sixty-two billion, six hundred thirteen million, two hundred three thousand, one hundred twenty-one".