161602301 has 8 divisors (see below), whose sum is σ = 192718464. Its totient is φ = 132493680.

The previous prime is 161602283. The next prime is 161602313. The reversal of 161602301 is 103206161.

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

It is a cyclic number.

It is not a de Polignac number, because 161602301 - 2¹⁴ = 161585917 is a prime.

It is a super-2 number, since 2×161602301² = 52230607376989202, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161602351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501710 + ... + 502031.

It is an arithmetic number, because the mean of its divisors is an integer number (24089808).

Almost surely, 2^161602301 is an apocalyptic number.

It is an amenable number.

161602301 is a deficient number, since it is larger than the sum of its proper divisors (31116163).

161602301 is a wasteful number, since it uses less digits than its factorization.

161602301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003771.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 161602301 is about 12712.2893689532. The cubic root of 161602301 is about 544.6897215430.

Adding to 161602301 its reverse (103206161), we get a palindrome (264808462).

The spelling of 161602301 in words is "one hundred sixty-one million, six hundred two thousand, three hundred one".