2163206577 has 12 divisors (see below), whose sum is σ = 3355177776. Its totient is φ = 1236117960.

The previous prime is 2163206527. The next prime is 2163206581. The reversal of 2163206577 is 7756023612.

It is not a de Polignac number, because 2163206577 - 2¹⁰ = 2163205553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2163206527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7357699 + ... + 7357992.

It is an arithmetic number, because the mean of its divisors is an integer number (279598148).

Almost surely, 2^2163206577 is an apocalyptic number.

It is an amenable number.

2163206577 is a deficient number, since it is larger than the sum of its proper divisors (1191971199).

2163206577 is a wasteful number, since it uses less digits than its factorization.

2163206577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14715708 (or 14715701 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 2163206577 is about 46510.2846368413. The cubic root of 2163206577 is about 1293.3001607778.

The spelling of 2163206577 in words is "two billion, one hundred sixty-three million, two hundred six thousand, five hundred seventy-seven".