162021613125 has 40 divisors (see below), whose sum is σ = 285829055424. Its totient is φ = 81328480000.

The previous prime is 162021613097. The next prime is 162021613139. The reversal of 162021613125 is 521316120261.

It is not a de Polignac number, because 162021613125 - 2⁵ = 162021613093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 162021613092 and 162021613101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2509641 + ... + 2573390.

Almost surely, 2^162021613125 is an apocalyptic number.

162021613125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

162021613125 is a deficient number, since it is larger than the sum of its proper divisors (123807442299).

162021613125 is an equidigital number, since it uses as much as digits as its factorization.

162021613125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5083071 (or 5083056 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 162021613125 its reverse (521316120261), we get a palindrome (683337733386).

The spelling of 162021613125 in words is "one hundred sixty-two billion, twenty-one million, six hundred thirteen thousand, one hundred twenty-five".