229961178406 has 16 divisors (see below), whose sum is σ = 348948933984. Its totient is φ = 113647935744.

The previous prime is 229961178373. The next prime is 229961178407. The reversal of 229961178406 is 604871169922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229961178407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616770 + ... + 916693.

It is an arithmetic number, because the mean of its divisors is an integer number (21809308374).

Almost surely, 2^229961178406 is an apocalyptic number.

229961178406 is a deficient number, since it is larger than the sum of its proper divisors (118987755578).

229961178406 is a wasteful number, since it uses less digits than its factorization.

229961178406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534335.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 229961178406 in words is "two hundred twenty-nine billion, nine hundred sixty-one million, one hundred seventy-eight thousand, four hundred six".