226611661749 has 8 divisors (see below), whose sum is σ = 329616962592. Its totient is φ = 137340401040.

The previous prime is 226611661729. The next prime is 226611661753. The reversal of 226611661749 is 947166116622.

It is a happy number.

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

It is not a de Polignac number, because 226611661749 - 2¹⁵ = 226611628981 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226611661729) 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, 3433509994 + ... + 3433510059.

It is an arithmetic number, because the mean of its divisors is an integer number (41202120324).

Almost surely, 2^226611661749 is an apocalyptic number.

It is an amenable number.

226611661749 is a deficient number, since it is larger than the sum of its proper divisors (103005300843).

226611661749 is a wasteful number, since it uses less digits than its factorization.

226611661749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6867020067.

The product of its digits is 1306368, while the sum is 51.

The spelling of 226611661749 in words is "two hundred twenty-six billion, six hundred eleven million, six hundred sixty-one thousand, seven hundred forty-nine".