190668503 has 2 divisors, whose sum is σ = 190668504. Its totient is φ = 190668502.

The previous prime is 190668497. The next prime is 190668509. The reversal of 190668503 is 305866091.

It is a balanced prime because it is at equal distance from previous prime (190668497) and next prime (190668509).

It is a cyclic number.

It is not a de Polignac number, because 190668503 - 2⁴ = 190668487 is a prime.

It is a super-2 number, since 2×190668503² = 72708956072522018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190668509) 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, 95334251 + 95334252.

It is an arithmetic number, because the mean of its divisors is an integer number (95334252).

Almost surely, 2^190668503 is an apocalyptic number.

190668503 is a deficient number, since it is larger than the sum of its proper divisors (1).

190668503 is an equidigital number, since it uses as much as digits as its factorization.

190668503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 190668503 is about 13808.2766122351. The cubic root of 190668503 is about 575.5631563917.

The spelling of 190668503 in words is "one hundred ninety million, six hundred sixty-eight thousand, five hundred three".