16228538662940 has 48 divisors (see below), whose sum is σ = 34114816570464. Its totient is φ = 6484774060800.

The previous prime is 16228538662939. The next prime is 16228538662993. The reversal of 16228538662940 is 4926683582261.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77018930 + ... + 77229350.

It is an arithmetic number, because the mean of its divisors is an integer number (710725345218).

Almost surely, 2^{16228538662940} is an apocalyptic number.

16228538662940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16228538662940 is an abundant number, since it is smaller than the sum of its proper divisors (17886277907524).

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

16228538662940 is a wasteful number, since it uses less digits than its factorization.

16228538662940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214358 (or 214356 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 62.

The spelling of 16228538662940 in words is "sixteen trillion, two hundred twenty-eight billion, five hundred thirty-eight million, six hundred sixty-two thousand, nine hundred forty".