166227270336 has 224 divisors, whose sum is σ = 505282200000. Its totient is φ = 53546655744.

The previous prime is 166227270317. The next prime is 166227270343. The reversal of 166227270336 is 633072722661.

166227270336 is a `hidden beast` number, since 16 + 622 + 7 + 2 + 7 + 0 + 3 + 3 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 166227270291 and 166227270300.

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, 9517740 + ... + 9535188.

Almost surely, 2^166227270336 is an apocalyptic number.

166227270336 is a gapful number since it is divisible by the number (16) 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 166227270336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252641100000).

166227270336 is an abundant number, since it is smaller than the sum of its proper divisors (339054929664).

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

166227270336 is a wasteful number, since it uses less digits than its factorization.

166227270336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17656 (or 17640 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

Adding to 166227270336 its reverse (633072722661), we get a palindrome (799299992997).

The spelling of 166227270336 in words is "one hundred sixty-six billion, two hundred twenty-seven million, two hundred seventy thousand, three hundred thirty-six".