190663 has 4 divisors (see below), whose sum is σ = 208008. Its totient is φ = 173320.

The previous prime is 190657. The next prime is 190667. The reversal of 190663 is 366091.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 190663 - 2¹³ = 182471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8656 + ... + 8677.

It is an arithmetic number, because the mean of its divisors is an integer number (52002).

2¹⁹⁰⁶⁶³ is an apocalyptic number.

190663 is a deficient number, since it is larger than the sum of its proper divisors (17345).

190663 is a wasteful number, since it uses less digits than its factorization.

190663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17344.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 190663 is about 436.6497452192. The cubic root of 190663 is about 57.5557619112. Note that the first 3 decimals are identical.

The spelling of 190663 in words is "one hundred ninety thousand, six hundred sixty-three".