161205162 has 8 divisors (see below), whose sum is σ = 322410336. Its totient is φ = 53735052.

The previous prime is 161205103. The next prime is 161205167. The reversal of 161205162 is 261502161.

It is a sphenic number, since it is the product of 3 distinct primes.

161205162 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (161205167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13433758 + ... + 13433769.

It is an arithmetic number, because the mean of its divisors is an integer number (40301292).

Almost surely, 2^161205162 is an apocalyptic number.

161205162 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

161205162 is a wasteful number, since it uses less digits than its factorization.

161205162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26867532.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 161205162 is about 12696.6594819267. The cubic root of 161205162 is about 544.2431623604.

The spelling of 161205162 in words is "one hundred sixty-one million, two hundred five thousand, one hundred sixty-two".