16779545328 has 160 divisors (see below), whose sum is σ = 53582570496. Its totient is φ = 4406114304.

The previous prime is 16779545287. The next prime is 16779545333. The reversal of 16779545328 is 82354597761.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1009501 + ... + 1025987.

Almost surely, 2^16779545328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16779545328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26791285248).

16779545328 is an abundant number, since it is smaller than the sum of its proper divisors (36803025168).

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

16779545328 is a wasteful number, since it uses less digits than its factorization.

16779545328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16751 (or 16745 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 57.

The spelling of 16779545328 in words is "sixteen billion, seven hundred seventy-nine million, five hundred forty-five thousand, three hundred twenty-eight".