229161661927 has 8 divisors (see below), whose sum is σ = 255313573632. Its totient is φ = 203896255800.

The previous prime is 229161661889. The next prime is 229161662057. The reversal of 229161661927 is 729166161922.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229161661927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229161661727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221625849 + ... + 221626882.

It is an arithmetic number, because the mean of its divisors is an integer number (31914196704).

Almost surely, 2^229161661927 is an apocalyptic number.

229161661927 is a deficient number, since it is larger than the sum of its proper divisors (26151911705).

229161661927 is a wasteful number, since it uses less digits than its factorization.

229161661927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443252789.

The product of its digits is 979776, while the sum is 52.

The spelling of 229161661927 in words is "two hundred twenty-nine billion, one hundred sixty-one million, six hundred sixty-one thousand, nine hundred twenty-seven".