693321615168 has 224 divisors, whose sum is σ = 2265461942016. Its totient is φ = 182228631552.

The previous prime is 693321615163. The next prime is 693321615193. The reversal of 693321615168 is 861516123396.

It is a tau number, because it is divible by the number of its divisors (224).

It is a self number, because there is not a number n which added to its sum of digits gives 693321615168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (693321615163) 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, 5051580 + ... + 5187012.

It is an arithmetic number, because the mean of its divisors is an integer number (10113669384).

Almost surely, 2^693321615168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 693321615168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1132730971008).

693321615168 is an abundant number, since it is smaller than the sum of its proper divisors (1572140326848).

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

693321615168 is a wasteful number, since it uses less digits than its factorization.

693321615168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135761 (or 135751 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 51.

The spelling of 693321615168 in words is "six hundred ninety-three billion, three hundred twenty-one million, six hundred fifteen thousand, one hundred sixty-eight".