161468413751112 has 128 divisors (see below), whose sum is σ = 457949745792000. Its totient is φ = 47032029077760.

The previous prime is 161468413751111. The next prime is 161468413751119. The reversal of 161468413751112 is 211157314864161.

It is not an unprimeable number, because it can be changed into a prime (161468413751111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2506314 + ... + 18144377.

It is an arithmetic number, because the mean of its divisors is an integer number (3577732389000).

Almost surely, 2^{161468413751112} is an apocalyptic number.

161468413751112 is a gapful number since it is divisible by the number (12) 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 161468413751112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228974872896000).

161468413751112 is an abundant number, since it is smaller than the sum of its proper divisors (296481332040888).

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

161468413751112 is a wasteful number, since it uses less digits than its factorization.

161468413751112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20652051 (or 20652047 counting only the distinct ones).

The product of its digits is 967680, while the sum is 51.

The spelling of 161468413751112 in words is "one hundred sixty-one trillion, four hundred sixty-eight billion, four hundred thirteen million, seven hundred fifty-one thousand, one hundred twelve".