1716172651 has 2 divisors, whose sum is σ = 1716172652. Its totient is φ = 1716172650.

The previous prime is 1716172583. The next prime is 1716172693. The reversal of 1716172651 is 1562716171.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1716172651 - 2¹³ = 1716164459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1716172651.

It is not a weakly prime, because it can be changed into another prime (1716172351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 858086325 + 858086326.

It is an arithmetic number, because the mean of its divisors is an integer number (858086326).

Almost surely, 2^1716172651 is an apocalyptic number.

1716172651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1716172651 is an equidigital number, since it uses as much as digits as its factorization.

1716172651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 37.

The square root of 1716172651 is about 41426.7142192088. The cubic root of 1716172651 is about 1197.2559175240.

The spelling of 1716172651 in words is "one billion, seven hundred sixteen million, one hundred seventy-two thousand, six hundred fifty-one".