161242706 has 8 divisors (see below), whose sum is σ = 241947120. Its totient is φ = 80593668.

The previous prime is 161242681. The next prime is 161242723. The reversal of 161242706 is 607242161.

161242706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 5576 + ... + 18803.

It is an arithmetic number, because the mean of its divisors is an integer number (30243390).

Almost surely, 2^161242706 is an apocalyptic number.

161242706 is a deficient number, since it is larger than the sum of its proper divisors (80704414).

161242706 is a wasteful number, since it uses less digits than its factorization.

161242706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27688.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 161242706 is about 12698.1378949829. The cubic root of 161242706 is about 544.2854097239.

Adding to 161242706 its reverse (607242161), we get a palindrome (768484867).

The spelling of 161242706 in words is "one hundred sixty-one million, two hundred forty-two thousand, seven hundred six".