161207142206 has 8 divisors (see below), whose sum is σ = 263793505464. Its totient is φ = 73275973720.

The previous prime is 161207142181. The next prime is 161207142293. The reversal of 161207142206 is 602241702161.

161207142206 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 a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3663798665 + ... + 3663798708.

It is an arithmetic number, because the mean of its divisors is an integer number (32974188183).

Almost surely, 2^161207142206 is an apocalyptic number.

161207142206 is a deficient number, since it is larger than the sum of its proper divisors (102586363258).

161207142206 is a wasteful number, since it uses less digits than its factorization.

161207142206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7327597386.

The product of its (nonzero) digits is 8064, while the sum is 32.

Adding to 161207142206 its reverse (602241702161), we get a palindrome (763448844367).

The spelling of 161207142206 in words is "one hundred sixty-one billion, two hundred seven million, one hundred forty-two thousand, two hundred six".