2166887127 has 8 divisors (see below), whose sum is σ = 2929875840. Its totient is φ = 1424244920.

The previous prime is 2166887111. The next prime is 2166887131. The reversal of 2166887127 is 7217886612.

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

It is a cyclic number.

It is not a de Polignac number, because 2166887127 - 2⁴ = 2166887111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2166887137) 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, 5086377 + ... + 5086802.

It is an arithmetic number, because the mean of its divisors is an integer number (366234480).

Almost surely, 2^2166887127 is an apocalyptic number.

2166887127 is a deficient number, since it is larger than the sum of its proper divisors (762988713).

2166887127 is a wasteful number, since it uses less digits than its factorization.

2166887127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10173253.

The product of its digits is 451584, while the sum is 48.

The square root of 2166887127 is about 46549.8348761840. The cubic root of 2166887127 is about 1294.0332328244.

The spelling of 2166887127 in words is "two billion, one hundred sixty-six million, eight hundred eighty-seven thousand, one hundred twenty-seven".