166000144603 has 2 divisors, whose sum is σ = 166000144604. Its totient is φ = 166000144602.

The previous prime is 166000144601. The next prime is 166000144627. The reversal of 166000144603 is 306441000661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166000144603 - 2¹ = 166000144601 is a prime.

Together with 166000144601, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (166000144601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83000072301 + 83000072302.

It is an arithmetic number, because the mean of its divisors is an integer number (83000072302).

Almost surely, 2^166000144603 is an apocalyptic number.

166000144603 is a deficient number, since it is larger than the sum of its proper divisors (1).

166000144603 is an equidigital number, since it uses as much as digits as its factorization.

166000144603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 166000144603 in words is "one hundred sixty-six billion, one hundred forty-four thousand, six hundred three".