1992108503 has 16 divisors (see below), whose sum is σ = 2488133376. Its totient is φ = 1549501440.

The previous prime is 1992108493. The next prime is 1992108539. The reversal of 1992108503 is 3058012991.

It is a cyclic number.

It is not a de Polignac number, because 1992108503 - 2⁶ = 1992108439 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 (1992108563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20375 + ... + 66327.

It is an arithmetic number, because the mean of its divisors is an integer number (155508336).

Almost surely, 2^1992108503 is an apocalyptic number.

1992108503 is a deficient number, since it is larger than the sum of its proper divisors (496024873).

1992108503 is a wasteful number, since it uses less digits than its factorization.

1992108503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46534.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 1992108503 is about 44633.0427262135. The cubic root of 1992108503 is about 1258.2617550599.

The spelling of 1992108503 in words is "one billion, nine hundred ninety-two million, one hundred eight thousand, five hundred three".