16816164016 has 40 divisors (see below), whose sum is σ = 34341663600. Its totient is φ = 7954974720.

The previous prime is 16816163957. The next prime is 16816164019. The reversal of 16816164016 is 61046161861.

It is a self number, because there is not a number n which added to its sum of digits gives 16816164016.

It is not an unprimeable number, because it can be changed into a prime (16816164019) 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, 195000 + ... + 267688.

It is an arithmetic number, because the mean of its divisors is an integer number (858541590).

Almost surely, 2^16816164016 is an apocalyptic number.

16816164016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16816164016 is an abundant number, since it is smaller than the sum of its proper divisors (17525499584).

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

16816164016 is a wasteful number, since it uses less digits than its factorization.

16816164016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73477 (or 73471 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 16816164016 in words is "sixteen billion, eight hundred sixteen million, one hundred sixty-four thousand, sixteen".