127662721160 has 128 divisors (see below), whose sum is σ = 312082606080. Its totient is φ = 46719694848.

The previous prime is 127662721091. The next prime is 127662721163. The reversal of 127662721160 is 61127266721.

It is not an unprimeable number, because it can be changed into a prime (127662721163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70028009 + ... + 70029831.

It is an arithmetic number, because the mean of its divisors is an integer number (2438145360).

Almost surely, 2^127662721160 is an apocalyptic number.

127662721160 is a gapful number since it is divisible by the number (10) 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 127662721160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156041303040).

127662721160 is an abundant number, since it is smaller than the sum of its proper divisors (184419884920).

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

127662721160 is a wasteful number, since it uses less digits than its factorization.

127662721160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2967 (or 2963 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

Adding to 127662721160 its reverse (61127266721), we get a palindrome (188789987881).

The spelling of 127662721160 in words is "one hundred twenty-seven billion, six hundred sixty-two million, seven hundred twenty-one thousand, one hundred sixty".