16208641824 has 48 divisors (see below), whose sum is σ = 42938058240. Its totient is φ = 5353309440.

The previous prime is 16208641781. The next prime is 16208641831. The reversal of 16208641824 is 42814680261.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764032 + ... + 784959.

It is an arithmetic number, because the mean of its divisors is an integer number (894542880).

Almost surely, 2^16208641824 is an apocalyptic number.

It is an amenable number.

16208641824 is an abundant number, since it is smaller than the sum of its proper divisors (26729416416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16208641824 is a wasteful number, since it uses less digits than its factorization.

16208641824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549113 (or 1549105 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The spelling of 16208641824 in words is "sixteen billion, two hundred eight million, six hundred forty-one thousand, eight hundred twenty-four".