16320201612 has 48 divisors (see below), whose sum is σ = 44737900032. Its totient is φ = 4565090880.

The previous prime is 16320201593. The next prime is 16320201613. The reversal of 16320201612 is 21610202361.

It is not an unprimeable number, because it can be changed into a prime (16320201613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4753588 + ... + 4757019.

It is an arithmetic number, because the mean of its divisors is an integer number (932039584).

Almost surely, 2^16320201612 is an apocalyptic number.

16320201612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16320201612 is an abundant number, since it is smaller than the sum of its proper divisors (28417698420).

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

16320201612 is a wasteful number, since it uses less digits than its factorization.

16320201612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9510638 (or 9510636 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 16320201612 its reverse (21610202361), we get a palindrome (37930403973).

The spelling of 16320201612 in words is "sixteen billion, three hundred twenty million, two hundred one thousand, six hundred twelve".