9172745051716 has 9 divisors (see below), whose sum is σ = 16052314440799. Its totient is φ = 4586369497204.

The previous prime is 9172745051713. The next prime is 9172745051741. The reversal of 9172745051716 is 6171505472719.

The square root of 9172745051716 is 3028654.

It is a perfect power (a square), and thus also a powerful number.

9172745051716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9172745051713) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5300145 + ... + 6814471.

Almost surely, 2^{9172745051716} is an apocalyptic number.

9172745051716 is the 3028654-th square number.

It is an amenable number.

9172745051716 is a deficient number, since it is larger than the sum of its proper divisors (6879569389083).

9172745051716 is an frugal number, since it uses more digits than its factorization.

9172745051716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028658 (or 1514329 counting only the distinct ones).

The product of its (nonzero) digits is 3704400, while the sum is 55.

The spelling of 9172745051716 in words is "nine trillion, one hundred seventy-two billion, seven hundred forty-five million, fifty-one thousand, seven hundred sixteen".