227407161494520 has 960 divisors, whose sum is σ = 918127721871360. Its totient is φ = 50284782374400.

The previous prime is 227407161494519. The next prime is 227407161494603. The reversal of 227407161494520 is 25494161704722.

It is a happy number.

227407161494520 is a `hidden beast` number, since 2 + 2 + 7 + 4 + 0 + 7 + 16 + 14 + 94 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 18933235315 + ... + 18933247325.

It is an arithmetic number, because the mean of its divisors is an integer number (956383043616).

Almost surely, 2^{227407161494520} is an apocalyptic number.

227407161494520 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 227407161494520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459063860935680).

227407161494520 is an abundant number, since it is smaller than the sum of its proper divisors (690720560376840).

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

227407161494520 is a wasteful number, since it uses less digits than its factorization.

227407161494520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15926 (or 15906 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 227407161494520 in words is "two hundred twenty-seven trillion, four hundred seven billion, one hundred sixty-one million, four hundred ninety-four thousand, five hundred twenty".