161238880000704 has 224 divisors, whose sum is σ = 468929133158400. Its totient is φ = 48489338511360.

The previous prime is 161238880000637. The next prime is 161238880000721. The reversal of 161238880000704 is 407000088832161.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1003654017 + ... + 1003814655.

Almost surely, 2^{161238880000704} 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 161238880000704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234464566579200).

161238880000704 is an abundant number, since it is smaller than the sum of its proper divisors (307690253157696).

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

161238880000704 is a wasteful number, since it uses less digits than its factorization.

161238880000704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164271 (or 164261 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 161238880000704 in words is "one hundred sixty-one trillion, two hundred thirty-eight billion, eight hundred eighty million, seven hundred four", and thus it is an aban number.