973666750464 has 156 divisors (see below), whose sum is σ = 2814666416796. Its totient is φ = 324302340096.

The previous prime is 973666750411. The next prime is 973666750477. The reversal of 973666750464 is 464057666379.

It can be written as a sum of positive squares in 2 ways, for example, as 607651430400 + 366015320064 = 779520^2 + 604992^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50604654 + ... + 50623890.

It is an arithmetic number, because the mean of its divisors is an integer number (18042733441).

Almost surely, 2^973666750464 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 973666750464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1407333208398).

973666750464 is an abundant number, since it is smaller than the sum of its proper divisors (1840999666332).

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

973666750464 is a wasteful number, since it uses less digits than its factorization.

973666750464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20640 (or 20615 counting only the distinct ones).

The product of its (nonzero) digits is 137168640, while the sum is 63.

The spelling of 973666750464 in words is "nine hundred seventy-three billion, six hundred sixty-six million, seven hundred fifty thousand, four hundred sixty-four".