161336204 has 6 divisors (see below), whose sum is σ = 282338364. Its totient is φ = 80668100.

The previous prime is 161336177. The next prime is 161336207. The reversal of 161336204 is 402633161.

It is a super-2 number, since 2×161336204² = 52058741442259232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161336207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20167022 + ... + 20167029.

It is an arithmetic number, because the mean of its divisors is an integer number (47056394).

Almost surely, 2^161336204 is an apocalyptic number.

It is an amenable number.

161336204 is a deficient number, since it is larger than the sum of its proper divisors (121002160).

161336204 is a wasteful number, since it uses less digits than its factorization.

161336204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40334055 (or 40334053 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 161336204 is about 12701.8189248627. The cubic root of 161336204 is about 544.3905922887.

Adding to 161336204 its reverse (402633161), we get a palindrome (563969365).

The spelling of 161336204 in words is "one hundred sixty-one million, three hundred thirty-six thousand, two hundred four".