2166111072627 has 8 divisors (see below), whose sum is σ = 2987739410640. Its totient is φ = 1394278391520.

The previous prime is 2166111072623. The next prime is 2166111072637. The reversal of 2166111072627 is 7262701116612.

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

It is not a de Polignac number, because 2166111072627 - 2² = 2166111072623 is a prime.

It is a super-2 number, since 2×2166111072627² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2166111072623) 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, 12448914124 + ... + 12448914297.

It is an arithmetic number, because the mean of its divisors is an integer number (373467426330).

Almost surely, 2^{2166111072627} is an apocalyptic number.

2166111072627 is a deficient number, since it is larger than the sum of its proper divisors (821628338013).

2166111072627 is a wasteful number, since it uses less digits than its factorization.

2166111072627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24897828453.

The product of its (nonzero) digits is 84672, while the sum is 42.

The spelling of 2166111072627 in words is "two trillion, one hundred sixty-six billion, one hundred eleven million, seventy-two thousand, six hundred twenty-seven".