162359145521 has 8 divisors (see below), whose sum is σ = 167737768704. Its totient is φ = 156989349360.

The previous prime is 162359145493. The next prime is 162359145539. The reversal of 162359145521 is 125541953261.

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

It is not a de Polignac number, because 162359145521 - 2¹⁸ = 162358883377 is a prime.

It is a super-2 number, since 2×162359145521² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162359145551) 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, 2169350 + ... + 2242943.

It is an arithmetic number, because the mean of its divisors is an integer number (20967221088).

Almost surely, 2^162359145521 is an apocalyptic number.

It is an amenable number.

162359145521 is a deficient number, since it is larger than the sum of its proper divisors (5378623183).

162359145521 is a wasteful number, since it uses less digits than its factorization.

162359145521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4413511.

The product of its digits is 324000, while the sum is 44.

The spelling of 162359145521 in words is "one hundred sixty-two billion, three hundred fifty-nine million, one hundred forty-five thousand, five hundred twenty-one".