716340091591 has 32 divisors (see below), whose sum is σ = 748793134656. Its totient is φ = 684744192000.

The previous prime is 716340091589. The next prime is 716340091609. The reversal of 716340091591 is 195190043617.

716340091591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 716340091591 - 2¹ = 716340091589 is a prime.

It is a super-2 number, since 2×716340091591² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716340031591) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 314045371 + ... + 314047651.

It is an arithmetic number, because the mean of its divisors is an integer number (23399785458).

Almost surely, 2^716340091591 is an apocalyptic number.

716340091591 is a deficient number, since it is larger than the sum of its proper divisors (32453043065).

716340091591 is a wasteful number, since it uses less digits than its factorization.

716340091591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3043.

The product of its (nonzero) digits is 204120, while the sum is 46.

The spelling of 716340091591 in words is "seven hundred sixteen billion, three hundred forty million, ninety-one thousand, five hundred ninety-one".