1992566603 has 4 divisors (see below), whose sum is σ = 2003698440. Its totient is φ = 1981434768.

The previous prime is 1992566591. The next prime is 1992566623. The reversal of 1992566603 is 3066652991.

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 1992566603 - 2²² = 1988372299 is a prime.

It is a super-3 number, since 3×1992566603³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1992566623) 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, 5565650 + ... + 5566007.

It is an arithmetic number, because the mean of its divisors is an integer number (500924610).

Almost surely, 2^1992566603 is an apocalyptic number.

1992566603 is a deficient number, since it is larger than the sum of its proper divisors (11131837).

1992566603 is a wasteful number, since it uses less digits than its factorization.

1992566603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11131836.

The product of its (nonzero) digits is 524880, while the sum is 47.

The square root of 1992566603 is about 44638.1742794214. The cubic root of 1992566603 is about 1258.3581965157.

The spelling of 1992566603 in words is "one billion, nine hundred ninety-two million, five hundred sixty-six thousand, six hundred three".