127165756722 has 8 divisors (see below), whose sum is σ = 254331513456. Its totient is φ = 42388585572.

The previous prime is 127165756657. The next prime is 127165756741. The reversal of 127165756722 is 227657561721.

It is a sphenic number, since it is the product of 3 distinct primes.

127165756722 is an admirable number.

It is a super-2 number, since 2×127165756722² (a number of 23 digits) contains 22 as substring.

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, 10597146388 + ... + 10597146399.

It is an arithmetic number, because the mean of its divisors is an integer number (31791439182).

Almost surely, 2^127165756722 is an apocalyptic number.

127165756722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

127165756722 is a wasteful number, since it uses less digits than its factorization.

127165756722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21194292792.

The product of its digits is 2469600, while the sum is 51.

The spelling of 127165756722 in words is "one hundred twenty-seven billion, one hundred sixty-five million, seven hundred fifty-six thousand, seven hundred twenty-two".