226406666111652 has 72 divisors (see below), whose sum is σ = 616505406608000. Its totient is φ = 69643679497920.

The previous prime is 226406666111557. The next prime is 226406666111771. The reversal of 226406666111652 is 256111666604622.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 67492924 + ... + 70767987.

Almost surely, 2^{226406666111652} is an apocalyptic number.

It is an amenable number.

226406666111652 is an abundant number, since it is smaller than the sum of its proper divisors (390098740496348).

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

226406666111652 is a wasteful number, since it uses less digits than its factorization.

226406666111652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138264433 (or 138264428 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 226406666111652 in words is "two hundred twenty-six trillion, four hundred six billion, six hundred sixty-six million, one hundred eleven thousand, six hundred fifty-two".