16716420 has 72 divisors (see below), whose sum is σ = 57954624. Its totient is φ = 3820608.

The previous prime is 16716419. The next prime is 16716421. The reversal of 16716420 is 2461761.

16716420 is a `hidden beast` number, since 16 + 7 + 1 + 642 + 0 = 666.

16716420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16716419) and next prime (16716421).

It is not an unprimeable number, because it can be changed into a prime (16716421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5374 + ... + 7893.

Almost surely, 2^16716420 is an apocalyptic number.

16716420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16716420 is an abundant number, since it is smaller than the sum of its proper divisors (41238204).

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

16716420 is a wasteful number, since it uses less digits than its factorization.

16716420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13289 (or 13284 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 16716420 is about 4088.5718778077. The cubic root of 16716420 is about 255.6904012849.

The spelling of 16716420 in words is "sixteen million, seven hundred sixteen thousand, four hundred twenty".