127165061544 has 128 divisors (see below), whose sum is σ = 338352768000. Its totient is φ = 39713531904.

The previous prime is 127165061501. The next prime is 127165061579. The reversal of 127165061544 is 445160561721.

It is a junction number, because it is equal to n+sod(n) for n = 127165061496 and 127165061505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47859064 + ... + 47861720.

It is an arithmetic number, because the mean of its divisors is an integer number (2643381000).

Almost surely, 2^127165061544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127165061544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169176384000).

127165061544 is an abundant number, since it is smaller than the sum of its proper divisors (211187706456).

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

127165061544 is a wasteful number, since it uses less digits than its factorization.

127165061544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3807 (or 3803 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 127165061544 in words is "one hundred twenty-seven billion, one hundred sixty-five million, sixty-one thousand, five hundred forty-four".