16717021716 has 48 divisors (see below), whose sum is σ = 39292809920. Its totient is φ = 5531535360.

The previous prime is 16717021691. The next prime is 16717021747. The reversal of 16717021716 is 61712071761.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1246575 + ... + 1259913.

Almost surely, 2^16717021716 is an apocalyptic number.

It is an amenable number.

16717021716 is an abundant number, since it is smaller than the sum of its proper divisors (22575788204).

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

16717021716 is a wasteful number, since it uses less digits than its factorization.

16717021716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14104 (or 14102 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 39.

The spelling of 16717021716 in words is "sixteen billion, seven hundred seventeen million, twenty-one thousand, seven hundred sixteen".