16406518716 has 72 divisors (see below), whose sum is σ = 47410388480. Its totient is φ = 4686214176.

The previous prime is 16406518669. The next prime is 16406518727. The reversal of 16406518716 is 61781560461.

16406518716 is a `hidden beast` number, since 1 + 64 + 0 + 6 + 518 + 71 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1131585 + ... + 1145991.

Almost surely, 2^16406518716 is an apocalyptic number.

It is an amenable number.

16406518716 is an abundant number, since it is smaller than the sum of its proper divisors (31003869764).

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

16406518716 is a wasteful number, since it uses less digits than its factorization.

16406518716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18943 (or 18938 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 16406518716 in words is "sixteen billion, four hundred six million, five hundred eighteen thousand, seven hundred sixteen".