16630603043 has 4 divisors (see below), whose sum is σ = 17505897960. Its totient is φ = 15755308128.

The previous prime is 16630603019. The next prime is 16630603049. The reversal of 16630603043 is 34030603661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34030603661 = 53891 ⋅631471.

It is a cyclic number.

It is not a de Polignac number, because 16630603043 - 2⁶ = 16630602979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16630603049) 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, 437647430 + ... + 437647467.

It is an arithmetic number, because the mean of its divisors is an integer number (4376474490).

Almost surely, 2^16630603043 is an apocalyptic number.

16630603043 is a deficient number, since it is larger than the sum of its proper divisors (875294917).

16630603043 is an equidigital number, since it uses as much as digits as its factorization.

16630603043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875294916.

The product of its (nonzero) digits is 23328, while the sum is 32.

The spelling of 16630603043 in words is "sixteen billion, six hundred thirty million, six hundred three thousand, forty-three".