696751961760 has 144 divisors (see below), whose sum is σ = 2380566169800. Its totient is φ = 185573898240.

The previous prime is 696751961743. The next prime is 696751961771. The reversal of 696751961760 is 67169157696.

696751961760 is a `hidden beast` number, since 6 + 9 + 6 + 7 + 5 + 1 + 9 + 617 + 6 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 305141340816 + 391610620944 = 552396^2 + 625788^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 887566 + ... + 1476914.

Almost surely, 2^696751961760 is an apocalyptic number.

696751961760 is a gapful number since it is divisible by the number (60) 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 696751961760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1190283084900).

696751961760 is an abundant number, since it is smaller than the sum of its proper divisors (1683814208040).

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

696751961760 is a wasteful number, since it uses less digits than its factorization.

696751961760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590191 (or 590180 counting only the distinct ones).

The product of its (nonzero) digits is 25719120, while the sum is 63.

The spelling of 696751961760 in words is "six hundred ninety-six billion, seven hundred fifty-one million, nine hundred sixty-one thousand, seven hundred sixty".