161534966 has 8 divisors (see below), whose sum is σ = 242467344. Its totient is φ = 80712520.

The previous prime is 161534927. The next prime is 161534981. The reversal of 161534966 is 669435161.

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

It is a congruent number.

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, 23705 + ... + 29748.

It is an arithmetic number, because the mean of its divisors is an integer number (30308418).

Almost surely, 2^161534966 is an apocalyptic number.

161534966 is a deficient number, since it is larger than the sum of its proper divisors (80932378).

161534966 is a wasteful number, since it uses less digits than its factorization.

161534966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54966.

The product of its digits is 116640, while the sum is 41.

The square root of 161534966 is about 12709.6406715532. The cubic root of 161534966 is about 544.6140588877.

The spelling of 161534966 in words is "one hundred sixty-one million, five hundred thirty-four thousand, nine hundred sixty-six".