2130668071 has 4 divisors (see below), whose sum is σ = 2435049232. Its totient is φ = 1826286912.

The previous prime is 2130668053. The next prime is 2130668087. The reversal of 2130668071 is 1708660312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2130668071 - 2⁷ = 2130667943 is a prime.

It is a super-2 number, since 2×2130668071² = 9079492857557722082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130666071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152190570 + ... + 152190583.

It is an arithmetic number, because the mean of its divisors is an integer number (608762308).

Almost surely, 2^2130668071 is an apocalyptic number.

2130668071 is a deficient number, since it is larger than the sum of its proper divisors (304381161).

2130668071 is an equidigital number, since it uses as much as digits as its factorization.

2130668071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304381160.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 2130668071 is about 46159.1602068322. The cubic root of 2130668071 is about 1286.7828555427.

The spelling of 2130668071 in words is "two billion, one hundred thirty million, six hundred sixty-eight thousand, seventy-one".