226161731053320 has 128 divisors (see below), whose sum is σ = 688250954505600. Its totient is φ = 59442859874304.

The previous prime is 226161731053319. The next prime is 226161731053331. The reversal of 226161731053320 is 23350137161622.

It is a happy number.

It is a super-2 number, since 2×226161731053320² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3933154 + ... + 21628526.

It is an arithmetic number, because the mean of its divisors is an integer number (5376960582075).

Almost surely, 2^{226161731053320} is an apocalyptic number.

226161731053320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226161731053320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344125477252800).

226161731053320 is an abundant number, since it is smaller than the sum of its proper divisors (462089223452280).

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

226161731053320 is a wasteful number, since it uses less digits than its factorization.

226161731053320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17696919 (or 17696915 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 226161731053320 in words is "two hundred twenty-six trillion, one hundred sixty-one billion, seven hundred thirty-one million, fifty-three thousand, three hundred twenty".