162645323341500 has 384 divisors, whose sum is σ = 538390482739200. Its totient is φ = 42374578521600.

The previous prime is 162645323341499. The next prime is 162645323341597. The reversal of 162645323341500 is 5143323546261.

162645323341500 is a `hidden beast` number, since 1 + 6 + 2 + 6 + 45 + 32 + 33 + 41 + 500 = 666.

It is a super-2 number, since 2×162645323341500² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 360805249 + ... + 361255751.

It is an arithmetic number, because the mean of its divisors is an integer number (1402058548800).

Almost surely, 2^{162645323341500} is an apocalyptic number.

162645323341500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162645323341500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269195241369600).

162645323341500 is an abundant number, since it is smaller than the sum of its proper divisors (375745159397700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162645323341500 is a wasteful number, since it uses less digits than its factorization.

162645323341500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451147 (or 451129 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

Adding to 162645323341500 its reverse (5143323546261), we get a palindrome (167788646887761).

The spelling of 162645323341500 in words is "one hundred sixty-two trillion, six hundred forty-five billion, three hundred twenty-three million, three hundred forty-one thousand, five hundred".