16771657328 has 10 divisors (see below), whose sum is σ = 32495086104. Its totient is φ = 8385828656.

The previous prime is 16771657321. The next prime is 16771657337. The reversal of 16771657328 is 82375617761.

It is a self number, because there is not a number n which added to its sum of digits gives 16771657328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16771657321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524114276 + ... + 524114307.

Almost surely, 2^16771657328 is an apocalyptic number.

It is an amenable number.

16771657328 is a deficient number, since it is larger than the sum of its proper divisors (15723428776).

16771657328 is a wasteful number, since it uses less digits than its factorization.

16771657328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048228591 (or 1048228585 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 53.

The spelling of 16771657328 in words is "sixteen billion, seven hundred seventy-one million, six hundred fifty-seven thousand, three hundred twenty-eight".