162321005116121 has 8 divisors (see below), whose sum is σ = 163965723155424. Its totient is φ = 160678651878880.

The previous prime is 162321005116087. The next prime is 162321005116133. The reversal of 162321005116121 is 121611500123261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 162321005116121 - 2¹⁸ = 162321004853977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (162321005113121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591062540 + ... + 591337101.

It is an arithmetic number, because the mean of its divisors is an integer number (20495715394428).

Almost surely, 2^{162321005116121} is an apocalyptic number.

It is an amenable number.

162321005116121 is a deficient number, since it is larger than the sum of its proper divisors (1644718039303).

162321005116121 is a wasteful number, since it uses less digits than its factorization.

162321005116121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182401031.

The product of its (nonzero) digits is 4320, while the sum is 32.

Adding to 162321005116121 its reverse (121611500123261), we get a palindrome (283932505239382).

The spelling of 162321005116121 in words is "one hundred sixty-two trillion, three hundred twenty-one billion, five million, one hundred sixteen thousand, one hundred twenty-one".