16716517051 has 4 divisors (see below), whose sum is σ = 18002402992. Its totient is φ = 15430631112.

The previous prime is 16716517033. The next prime is 16716517063. The reversal of 16716517051 is 15071561761.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 16716517051 - 2¹¹ = 16716515003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16716516995 and 16716517013.

It is not an unprimeable number, because it can be changed into a prime (16716517151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642942951 + ... + 642942976.

It is an arithmetic number, because the mean of its divisors is an integer number (4500600748).

Almost surely, 2^16716517051 is an apocalyptic number.

16716517051 is a deficient number, since it is larger than the sum of its proper divisors (1285885941).

16716517051 is a wasteful number, since it uses less digits than its factorization.

16716517051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285885940.

The product of its (nonzero) digits is 44100, while the sum is 40.

The spelling of 16716517051 in words is "sixteen billion, seven hundred sixteen million, five hundred seventeen thousand, fifty-one".