16641034504 has 16 divisors (see below), whose sum is σ = 32277869100. Its totient is φ = 8033602752.

The previous prime is 16641034481. The next prime is 16641034507. The reversal of 16641034504 is 40543014661.

It can be written as a sum of positive squares in 2 ways, for example, as 16550822500 + 90212004 = 128650^2 + 9498^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16641034504.

It is not an unprimeable number, because it can be changed into a prime (16641034507) 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, 35864067 + ... + 35864530.

Almost surely, 2^16641034504 is an apocalyptic number.

It is an amenable number.

16641034504 is a deficient number, since it is larger than the sum of its proper divisors (15636834596).

16641034504 is a wasteful number, since it uses less digits than its factorization.

16641034504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71728632 (or 71728628 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 16641034504 in words is "sixteen billion, six hundred forty-one million, thirty-four thousand, five hundred four".