16503034042 has 16 divisors (see below), whose sum is σ = 27033696864. Its totient is φ = 7493398000.

The previous prime is 16503033983. The next prime is 16503034049. The reversal of 16503034042 is 24043030561.

It is a self number, because there is not a number n which added to its sum of digits gives 16503034042.

It is not an unprimeable number, because it can be changed into a prime (16503034049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377884 + ... + 419287.

It is an arithmetic number, because the mean of its divisors is an integer number (1689606054).

Almost surely, 2^16503034042 is an apocalyptic number.

16503034042 is a deficient number, since it is larger than the sum of its proper divisors (10530662822).

16503034042 is a wasteful number, since it uses less digits than its factorization.

16503034042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798125.

The product of its (nonzero) digits is 8640, while the sum is 28.

The spelling of 16503034042 in words is "sixteen billion, five hundred three million, thirty-four thousand, forty-two".