716340091590 has 144 divisors (see below), whose sum is σ = 1954626830208. Its totient is φ = 181828800000.

The previous prime is 716340091589. The next prime is 716340091609. The reversal of 716340091590 is 95190043617.

716340091590 is a `hidden beast` number, since 7 + 1 + 634 + 0 + 0 + 9 + 1 + 5 + 9 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10347090 + ... + 10416090.

It is an arithmetic number, because the mean of its divisors is an integer number (13573797432).

Almost surely, 2^716340091590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 716340091590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (977313415104).

716340091590 is an abundant number, since it is smaller than the sum of its proper divisors (1238286738618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

716340091590 is a wasteful number, since it uses less digits than its factorization.

716340091590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69167 (or 69103 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 716340091590 in words is "seven hundred sixteen billion, three hundred forty million, ninety-one thousand, five hundred ninety".