226603137661 has 16 divisors (see below), whose sum is σ = 243726796800. Its totient is φ = 209906611200.

The previous prime is 226603137641. The next prime is 226603137679. The reversal of 226603137661 is 166731306622.

It is a cyclic number.

It is not a de Polignac number, because 226603137661 - 2¹³ = 226603129469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226603137641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1224565 + ... + 1397413.

It is an arithmetic number, because the mean of its divisors is an integer number (15232924800).

Almost surely, 2^226603137661 is an apocalyptic number.

It is an amenable number.

226603137661 is a deficient number, since it is larger than the sum of its proper divisors (17123659139).

226603137661 is a wasteful number, since it uses less digits than its factorization.

226603137661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174084.

The product of its (nonzero) digits is 326592, while the sum is 43.

The spelling of 226603137661 in words is "two hundred twenty-six billion, six hundred three million, one hundred thirty-seven thousand, six hundred sixty-one".