161205962 has 8 divisors (see below), whose sum is σ = 241867296. Its totient is φ = 80583532.

The previous prime is 161205881. The next prime is 161206027. The reversal of 161205962 is 269502161.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5243 + ... + 18705.

It is an arithmetic number, because the mean of its divisors is an integer number (30233412).

Almost surely, 2^161205962 is an apocalyptic number.

161205962 is a deficient number, since it is larger than the sum of its proper divisors (80661334).

161205962 is a wasteful number, since it uses less digits than its factorization.

161205962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19452.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 161205962 is about 12696.6909862373. The cubic root of 161205962 is about 544.2440626496.

The spelling of 161205962 in words is "one hundred sixty-one million, two hundred five thousand, nine hundred sixty-two".