161024324323500 has 576 divisors, whose sum is σ = 569284221542400. Its totient is φ = 37971218880000.

The previous prime is 161024324323481. The next prime is 161024324323549. The reversal of 161024324323500 is 5323423420161.

161024324323500 is a `hidden beast` number, since 1 + 6 + 1 + 0 + 2 + 4 + 324 + 323 + 5 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 8847967401 + ... + 8847985599.

It is an arithmetic number, because the mean of its divisors is an integer number (988340662400).

Almost surely, 2^{161024324323500} is an apocalyptic number.

161024324323500 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 161024324323500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284642110771200).

161024324323500 is an abundant number, since it is smaller than the sum of its proper divisors (408259897218900).

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

161024324323500 is a wasteful number, since it uses less digits than its factorization.

161024324323500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23103 (or 23088 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 161024324323500 its reverse (5323423420161), we get a palindrome (166347747743661).

The spelling of 161024324323500 in words is "one hundred sixty-one trillion, twenty-four billion, three hundred twenty-four million, three hundred twenty-three thousand, five hundred".