16328905428562 has 16 divisors (see below), whose sum is σ = 24504813005400. Its totient is φ = 8160635325312.

The previous prime is 16328905428547. The next prime is 16328905428569. The reversal of 16328905428562 is 26582450982361.

It can be written as a sum of positive squares in 4 ways, for example, as 13394128720401 + 2934776708161 = 3659799^2 + 1713119^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16328905428562.

It is not an unprimeable number, because it can be changed into a prime (16328905428569) 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, 36835828 + ... + 37276480.

Almost surely, 2^{16328905428562} is an apocalyptic number.

16328905428562 is a deficient number, since it is larger than the sum of its proper divisors (8175907576838).

16328905428562 is a wasteful number, since it uses less digits than its factorization.

16328905428562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449277.

The product of its (nonzero) digits is 49766400, while the sum is 61.

The spelling of 16328905428562 in words is "sixteen trillion, three hundred twenty-eight billion, nine hundred five million, four hundred twenty-eight thousand, five hundred sixty-two".