16716173461 has 12 divisors (see below), whose sum is σ = 18110932452. Its totient is φ = 15421800576.

The previous prime is 16716173459. The next prime is 16716173477. The reversal of 16716173461 is 16437161761.

It can be written as a sum of positive squares in 6 ways, for example, as 269361 + 16715904100 = 519^2 + 129290^2 .

It is not a de Polignac number, because 16716173461 - 2¹ = 16716173459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16716173161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 290865 + ... + 343561.

It is an arithmetic number, because the mean of its divisors is an integer number (1509244371).

Almost surely, 2^16716173461 is an apocalyptic number.

It is an amenable number.

16716173461 is a deficient number, since it is larger than the sum of its proper divisors (1394758991).

16716173461 is a wasteful number, since it uses less digits than its factorization.

16716173461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54600 (or 54587 counting only the distinct ones).

The product of its digits is 127008, while the sum is 43.

The spelling of 16716173461 in words is "sixteen billion, seven hundred sixteen million, one hundred seventy-three thousand, four hundred sixty-one".