161455606 has 8 divisors (see below), whose sum is σ = 260812944. Its totient is φ = 74517960.

The previous prime is 161455601. The next prime is 161455639. The reversal of 161455606 is 606554161.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161455601) by changing a digit.

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, 3104890 + ... + 3104941.

It is an arithmetic number, because the mean of its divisors is an integer number (32601618).

Almost surely, 2^161455606 is an apocalyptic number.

161455606 is a deficient number, since it is larger than the sum of its proper divisors (99357338).

161455606 is a wasteful number, since it uses less digits than its factorization.

161455606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6209846.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 161455606 is about 12706.5182485211. The cubic root of 161455606 is about 544.5248570416.

The spelling of 161455606 in words is "one hundred sixty-one million, four hundred fifty-five thousand, six hundred six".