226400165550137 has 4 divisors (see below), whose sum is σ = 228943987635060. Its totient is φ = 223856343465216.

The previous prime is 226400165550113. The next prime is 226400165550151. The reversal of 226400165550137 is 731055561004622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60667601901481 + 165732563648656 = 7788941^2 + 12873716^2 .

It is a cyclic number.

It is not a de Polignac number, because 226400165550137 - 2¹² = 226400165546041 is a prime.

It is a super-2 number, since 2×226400165550137² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 226400165550091 and 226400165550100.

It is not an unprimeable number, because it can be changed into a prime (226400165550107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1271911042328 + ... + 1271911042505.

It is an arithmetic number, because the mean of its divisors is an integer number (57235996908765).

Almost surely, 2^{226400165550137} is an apocalyptic number.

It is an amenable number.

226400165550137 is a deficient number, since it is larger than the sum of its proper divisors (2543822084923).

226400165550137 is an equidigital number, since it uses as much as digits as its factorization.

226400165550137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543822084922.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 226400165550137 in words is "two hundred twenty-six trillion, four hundred billion, one hundred sixty-five million, five hundred fifty thousand, one hundred thirty-seven".