2102166727 has 8 divisors (see below), whose sum is σ = 2109488832. Its totient is φ = 2094856800.

The previous prime is 2102166713. The next prime is 2102166751. The reversal of 2102166727 is 7276612012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102166727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102166692 and 2102166701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102160727) 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, 454993 + ... + 459589.

It is an arithmetic number, because the mean of its divisors is an integer number (263686104).

Almost surely, 2^2102166727 is an apocalyptic number.

2102166727 is a deficient number, since it is larger than the sum of its proper divisors (7322105).

2102166727 is a wasteful number, since it uses less digits than its factorization.

2102166727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6089.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 2102166727 is about 45849.3917844065. The cubic root of 2102166727 is about 1281.0194366895.

Adding to 2102166727 its reverse (7276612012), we get a palindrome (9378778739).

The spelling of 2102166727 in words is "two billion, one hundred two million, one hundred sixty-six thousand, seven hundred twenty-seven".