210664157203 has 2 divisors, whose sum is σ = 210664157204. Its totient is φ = 210664157202.

The previous prime is 210664157183. The next prime is 210664157261. The reversal of 210664157203 is 302751466012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210664157203 - 2¹³ = 210664149011 is a prime.

It is not a weakly prime, because it can be changed into another prime (210664157003) 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 as a sum of consecutive naturals, namely, 105332078601 + 105332078602.

It is an arithmetic number, because the mean of its divisors is an integer number (105332078602).

Almost surely, 2^210664157203 is an apocalyptic number.

210664157203 is a deficient number, since it is larger than the sum of its proper divisors (1).

210664157203 is an equidigital number, since it uses as much as digits as its factorization.

210664157203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 210664157203 in words is "two hundred ten billion, six hundred sixty-four million, one hundred fifty-seven thousand, two hundred three".