716891369550 has 96 divisors (see below), whose sum is σ = 1835777264640. Its totient is φ = 184950259200.

The previous prime is 716891369531. The next prime is 716891369567. The reversal of 716891369550 is 55963198617.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17365734 + ... + 17406966.

It is an arithmetic number, because the mean of its divisors is an integer number (19122679840).

Almost surely, 2^716891369550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 716891369550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (917888632320).

716891369550 is an abundant number, since it is smaller than the sum of its proper divisors (1118885895090).

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

716891369550 is a wasteful number, since it uses less digits than its factorization.

716891369550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45018 (or 45013 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 60.

The spelling of 716891369550 in words is "seven hundred sixteen billion, eight hundred ninety-one million, three hundred sixty-nine thousand, five hundred fifty".