16715312420 has 24 divisors (see below), whose sum is σ = 35697110400. Its totient is φ = 6572800352.

The previous prime is 16715312417. The next prime is 16715312429. The reversal of 16715312420 is 2421351761.

It is not an unprimeable number, because it can be changed into a prime (16715312429) 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, 7081580 + ... + 7083939.

It is an arithmetic number, because the mean of its divisors is an integer number (1487379600).

Almost surely, 2^16715312420 is an apocalyptic number.

16715312420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16715312420 is an abundant number, since it is smaller than the sum of its proper divisors (18981797980).

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

16715312420 is a wasteful number, since it uses less digits than its factorization.

16715312420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14165587 (or 14165585 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 16715312420 in words is "sixteen billion, seven hundred fifteen million, three hundred twelve thousand, four hundred twenty".