2660211803 has 2 divisors, whose sum is σ = 2660211804. Its totient is φ = 2660211802.

The previous prime is 2660211791. The next prime is 2660211811. The reversal of 2660211803 is 3081120662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2660211803 - 2⁶ = 2660211739 is a prime.

It is a super-3 number, since 3×2660211803³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2660214803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330105901 + 1330105902.

It is an arithmetic number, because the mean of its divisors is an integer number (1330105902).

Almost surely, 2^2660211803 is an apocalyptic number.

2660211803 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660211803 is an equidigital number, since it uses as much as digits as its factorization.

2660211803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2660211803 is about 51577.2411340506. The cubic root of 2660211803 is about 1385.6027565771.

The spelling of 2660211803 in words is "two billion, six hundred sixty million, two hundred eleven thousand, eight hundred three".