16366520828 has 24 divisors (see below), whose sum is σ = 32736141312. Its totient is φ = 7013559024.

The previous prime is 16366520801. The next prime is 16366520839. The reversal of 16366520828 is 82802566361.

It is a congruent number.

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, 377225 + ... + 418367.

It is an arithmetic number, because the mean of its divisors is an integer number (1364005888).

Almost surely, 2^16366520828 is an apocalyptic number.

It is an amenable number.

16366520828 is an abundant number, since it is smaller than the sum of its proper divisors (16369620484).

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

16366520828 is a wasteful number, since it uses less digits than its factorization.

16366520828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55361 (or 55359 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 16366520828 in words is "sixteen billion, three hundred sixty-six million, five hundred twenty thousand, eight hundred twenty-eight".