716016155509 has 4 divisors (see below), whose sum is σ = 739113450880. Its totient is φ = 692918860140.

The previous prime is 716016155507. The next prime is 716016155513. The reversal of 716016155509 is 905551610617.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 905551610617 = 17 ⋅53267741801.

It is a cyclic number.

It is not a de Polignac number, because 716016155509 - 2¹ = 716016155507 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 (716016155507) 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, 11548647639 + ... + 11548647700.

It is an arithmetic number, because the mean of its divisors is an integer number (184778362720).

Almost surely, 2^716016155509 is an apocalyptic number.

It is an amenable number.

716016155509 is a deficient number, since it is larger than the sum of its proper divisors (23097295371).

716016155509 is a wasteful number, since it uses less digits than its factorization.

716016155509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23097295370.

The product of its (nonzero) digits is 283500, while the sum is 46.

The spelling of 716016155509 in words is "seven hundred sixteen billion, sixteen million, one hundred fifty-five thousand, five hundred nine".