127667161 has 8 divisors (see below), whose sum is σ = 136491264. Its totient is φ = 118989120.

The previous prime is 127667147. The next prime is 127667167. The reversal of 127667161 is 161766721.

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

It is not a de Polignac number, because 127667161 - 2¹⁵ = 127634393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 127667161.

It is not an unprimeable number, because it can be changed into a prime (127667167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34705 + ... + 38206.

It is an arithmetic number, because the mean of its divisors is an integer number (17061408).

Almost surely, 2^127667161 is an apocalyptic number.

It is an amenable number.

127667161 is a deficient number, since it is larger than the sum of its proper divisors (8824103).

127667161 is a wasteful number, since it uses less digits than its factorization.

127667161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73031.

The product of its digits is 21168, while the sum is 37.

The square root of 127667161 is about 11298.9893795861. The cubic root of 127667161 is about 503.5312169701.

The spelling of 127667161 in words is "one hundred twenty-seven million, six hundred sixty-seven thousand, one hundred sixty-one".