229480665241638 has 16 divisors (see below), whose sum is σ = 459014006053296. Its totient is φ = 76484775818880.

The previous prime is 229480665241547. The next prime is 229480665241693. The reversal of 229480665241638 is 836142566084922.

It is a super-2 number, since 2×229480665241638² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2194758783 + ... + 2194863338.

It is an arithmetic number, because the mean of its divisors is an integer number (28688375378331).

Almost surely, 2^{229480665241638} is an apocalyptic number.

229480665241638 is an abundant number, since it is smaller than the sum of its proper divisors (229533340811658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

229480665241638 is a wasteful number, since it uses less digits than its factorization.

229480665241638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4389630839.

The product of its (nonzero) digits is 238878720, while the sum is 66.

The spelling of 229480665241638 in words is "two hundred twenty-nine trillion, four hundred eighty billion, six hundred sixty-five million, two hundred forty-one thousand, six hundred thirty-eight".