716863597369920 has 3360 divisors, whose sum is σ = 3426014090588544. Its totient is φ = 135603088588800.

The previous prime is 716863597369897. The next prime is 716863597369973. The reversal of 716863597369920 is 29963795368617.

716863597369920 is a `hidden beast` number, since 7 + 1 + 6 + 86 + 3 + 5 + 97 + 369 + 92 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (3360).

It is a self number, because there is not a number n which added to its sum of digits gives 716863597369920.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 72184427355 + ... + 72184437285.

Almost surely, 2^{716863597369920} is an apocalyptic number.

716863597369920 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 716863597369920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1713007045294272).

716863597369920 is an abundant number, since it is smaller than the sum of its proper divisors (2709150493218624).

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

716863597369920 is a wasteful number, since it uses less digits than its factorization.

716863597369920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10079 (or 10045 counting only the distinct ones).

The product of its (nonzero) digits is 5555329920, while the sum is 81.

The spelling of 716863597369920 in words is "seven hundred sixteen trillion, eight hundred sixty-three billion, five hundred ninety-seven million, three hundred sixty-nine thousand, nine hundred twenty".