229656066621 has 8 divisors (see below), whose sum is σ = 307313534304. Its totient is φ = 152551321680.

The previous prime is 229656066571. The next prime is 229656066631. The reversal of 229656066621 is 126660656922.

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

It is not a de Polignac number, because 229656066621 - 2⁹ = 229656066109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229656066631) 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, 138179715 + ... + 138181376.

It is an arithmetic number, because the mean of its divisors is an integer number (38414191788).

Almost surely, 2^229656066621 is an apocalyptic number.

It is an amenable number.

229656066621 is a deficient number, since it is larger than the sum of its proper divisors (77657467683).

229656066621 is a wasteful number, since it uses less digits than its factorization.

229656066621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276361371.

The product of its (nonzero) digits is 2799360, while the sum is 51.

The spelling of 229656066621 in words is "two hundred twenty-nine billion, six hundred fifty-six million, sixty-six thousand, six hundred twenty-one".