2166160827 has 8 divisors (see below), whose sum is σ = 2942709264. Its totient is φ = 1416859808.

The previous prime is 2166160823. The next prime is 2166160847. The reversal of 2166160827 is 7280616612.

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 2166160827 - 2² = 2166160823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2166160823) 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, 6811668 + ... + 6811985.

It is an arithmetic number, because the mean of its divisors is an integer number (367838658).

Almost surely, 2^2166160827 is an apocalyptic number.

2166160827 is a deficient number, since it is larger than the sum of its proper divisors (776548437).

2166160827 is a wasteful number, since it uses less digits than its factorization.

2166160827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13623709.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 2166160827 is about 46542.0329057509. The cubic root of 2166160827 is about 1293.8886380964. Note that the first 3 decimals are identical.

The spelling of 2166160827 in words is "two billion, one hundred sixty-six million, one hundred sixty thousand, eight hundred twenty-seven".