6620670143 has 2 divisors, whose sum is σ = 6620670144. Its totient is φ = 6620670142.

The previous prime is 6620670097. The next prime is 6620670149. The reversal of 6620670143 is 3410760266.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6620670143 - 2⁶ = 6620670079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6620670149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3310335071 + 3310335072.

It is an arithmetic number, because the mean of its divisors is an integer number (3310335072).

Almost surely, 2^6620670143 is an apocalyptic number.

6620670143 is a deficient number, since it is larger than the sum of its proper divisors (1).

6620670143 is an equidigital number, since it uses as much as digits as its factorization.

6620670143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 6620670143 is about 81367.5005330752. The cubic root of 6620670143 is about 1877.7336261752.

The spelling of 6620670143 in words is "six billion, six hundred twenty million, six hundred seventy thousand, one hundred forty-three".