161453832850128 has 320 divisors, whose sum is σ = 519950376046080. Its totient is φ = 42034489491456.

The previous prime is 161453832850111. The next prime is 161453832850129. The reversal of 161453832850128 is 821058238354161.

161453832850128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161453832850129) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 239523426 + ... + 240196542.

It is an arithmetic number, because the mean of its divisors is an integer number (1624844925144).

Almost surely, 2^{161453832850128} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161453832850128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259975188023040).

161453832850128 is an abundant number, since it is smaller than the sum of its proper divisors (358496543195952).

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

161453832850128 is a wasteful number, since it uses less digits than its factorization.

161453832850128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673854 (or 673848 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 57.

The spelling of 161453832850128 in words is "one hundred sixty-one trillion, four hundred fifty-three billion, eight hundred thirty-two million, eight hundred fifty thousand, one hundred twenty-eight".