161246183560 has 192 divisors, whose sum is σ = 484637256000. Its totient is φ = 47613242880.

The previous prime is 161246183543. The next prime is 161246183563. The reversal of 161246183560 is 65381642161.

It is not an unprimeable number, because it can be changed into a prime (161246183563) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 212826 + ... + 606454.

It is an arithmetic number, because the mean of its divisors is an integer number (2524152375).

Almost surely, 2^161246183560 is an apocalyptic number.

161246183560 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 161246183560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242318628000).

161246183560 is an abundant number, since it is smaller than the sum of its proper divisors (323391072440).

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

161246183560 is a wasteful number, since it uses less digits than its factorization.

161246183560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393684 (or 393673 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 161246183560 in words is "one hundred sixty-one billion, two hundred forty-six million, one hundred eighty-three thousand, five hundred sixty".