127165736456 has 16 divisors (see below), whose sum is σ = 260111733840. Its totient is φ = 57802607440.

The previous prime is 127165736419. The next prime is 127165736479. The reversal of 127165736456 is 654637561721.

It is a super-2 number, since 2×127165736456² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 127165736398 and 127165736407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722532506 + ... + 722532681.

It is an arithmetic number, because the mean of its divisors is an integer number (16256983365).

Almost surely, 2^127165736456 is an apocalyptic number.

It is an amenable number.

127165736456 is an abundant number, since it is smaller than the sum of its proper divisors (132945997384).

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

127165736456 is a wasteful number, since it uses less digits than its factorization.

127165736456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445065204 (or 1445065200 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 53.

The spelling of 127165736456 in words is "one hundred twenty-seven billion, one hundred sixty-five million, seven hundred thirty-six thousand, four hundred fifty-six".