161314176 has 64 divisors (see below), whose sum is σ = 430848000. Its totient is φ = 53475840.

The previous prime is 161314147. The next prime is 161314177. The reversal of 161314176 is 671413161.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161314177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75361 + ... + 77471.

It is an arithmetic number, because the mean of its divisors is an integer number (6732000).

Almost surely, 2^161314176 is an apocalyptic number.

161314176 is a gapful number since it is divisible by the number (16) 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 161314176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215424000).

161314176 is an abundant number, since it is smaller than the sum of its proper divisors (269533824).

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

161314176 is a wasteful number, since it uses less digits than its factorization.

161314176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327 (or 2315 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 161314176 is about 12700.9517753592. The cubic root of 161314176 is about 544.3658150813.

The spelling of 161314176 in words is "one hundred sixty-one million, three hundred fourteen thousand, one hundred seventy-six".