16012696420 has 96 divisors (see below), whose sum is σ = 39137495040. Its totient is φ = 5389424640.

The previous prime is 16012696387. The next prime is 16012696433. The reversal of 16012696420 is 2469621061.

It is a self number, because there is not a number n which added to its sum of digits gives 16012696420.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5182236 + ... + 5185324.

It is an arithmetic number, because the mean of its divisors is an integer number (407682240).

Almost surely, 2^16012696420 is an apocalyptic number.

16012696420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16012696420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19568747520).

16012696420 is an abundant number, since it is smaller than the sum of its proper divisors (23124798620).

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

16012696420 is a wasteful number, since it uses less digits than its factorization.

16012696420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3773 (or 3771 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 16012696420 in words is "sixteen billion, twelve million, six hundred ninety-six thousand, four hundred twenty".