16533282678 has 32 divisors (see below), whose sum is σ = 36911521152. Its totient is φ = 4893571200.

The previous prime is 16533282641. The next prime is 16533282683. The reversal of 16533282678 is 87628233561.

It is a happy number.

It is a super-2 number, since 2×16533282678² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16533282678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2910003 + ... + 2915678.

It is an arithmetic number, because the mean of its divisors is an integer number (1153485036).

Almost surely, 2^16533282678 is an apocalyptic number.

16533282678 is an abundant number, since it is smaller than the sum of its proper divisors (20378238474).

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

16533282678 is a wasteful number, since it uses less digits than its factorization.

16533282678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5825740.

The product of its digits is 2903040, while the sum is 51.

The spelling of 16533282678 in words is "sixteen billion, five hundred thirty-three million, two hundred eighty-two thousand, six hundred seventy-eight".