161242202 has 16 divisors (see below), whose sum is σ = 264225024. Its totient is φ = 73188000.

The previous prime is 161242201. The next prime is 161242219. The reversal of 161242202 is 202242161.

It is a happy number.

161242202 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (161242201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11927 + ... + 21557.

It is an arithmetic number, because the mean of its divisors is an integer number (16514064).

Almost surely, 2^161242202 is an apocalyptic number.

161242202 is a deficient number, since it is larger than the sum of its proper divisors (102982822).

161242202 is a wasteful number, since it uses less digits than its factorization.

161242202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10405.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 161242202 is about 12698.1180495379. The cubic root of 161242202 is about 544.2848426282.

Adding to 161242202 its reverse (202242161), we get a palindrome (363484363).

The spelling of 161242202 in words is "one hundred sixty-one million, two hundred forty-two thousand, two hundred two".