161452246205760 has 224 divisors, whose sum is σ = 543649919933952. Its totient is φ = 40455242219520.

The previous prime is 161452246205759. The next prime is 161452246205773. The reversal of 161452246205760 is 67502642254161.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1934905 + ... + 18073415.

Almost surely, 2^{161452246205760} is an apocalyptic number.

161452246205760 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 161452246205760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271824959966976).

161452246205760 is an abundant number, since it is smaller than the sum of its proper divisors (382197673728192).

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

161452246205760 is a wasteful number, since it uses less digits than its factorization.

161452246205760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16139161 (or 16139151 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 51.

The spelling of 161452246205760 in words is "one hundred sixty-one trillion, four hundred fifty-two billion, two hundred forty-six million, two hundred five thousand, seven hundred sixty".