161602101 has 16 divisors (see below), whose sum is σ = 247134720. Its totient is φ = 104258880.

The previous prime is 161602093. The next prime is 161602169. The reversal of 161602101 is 101206161.

161602101 is a `hidden beast` number, since 1 + 61 + 602 + 1 + 0 + 1 = 666.

161602101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 161602101 - 2³ = 161602093 is a prime.

It is a super-2 number, since 2×161602101² = 52230478095228402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161602171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95700 + ... + 97373.

It is an arithmetic number, because the mean of its divisors is an integer number (15445920).

Almost surely, 2^161602101 is an apocalyptic number.

It is an amenable number.

161602101 is a deficient number, since it is larger than the sum of its proper divisors (85532619).

161602101 is a wasteful number, since it uses less digits than its factorization.

161602101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193113 (or 193107 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 161602101 is about 12712.2815025471. The cubic root of 161602101 is about 544.6894968392.

Adding to 161602101 its reverse (101206161), we get a palindrome (262808262).

The spelling of 161602101 in words is "one hundred sixty-one million, six hundred two thousand, one hundred one".