796721151616 has 32 divisors (see below), whose sum is σ = 1709311608900. Its totient is φ = 367717453824.

The previous prime is 796721151593. The next prime is 796721151619. The reversal of 796721151616 is 616151127697.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 796192151616 + 529000000 = 892296^2 + 23000^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×796721151616² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (796721151619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239397721 + ... + 239401048.

Almost surely, 2^796721151616 is an apocalyptic number.

It is an amenable number.

796721151616 is an abundant number, since it is smaller than the sum of its proper divisors (912590457284).

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

796721151616 is a wasteful number, since it uses less digits than its factorization.

796721151616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478798796 (or 478798784 counting only the distinct ones).

The product of its digits is 952560, while the sum is 52.

The spelling of 796721151616 in words is "seven hundred ninety-six billion, seven hundred twenty-one million, one hundred fifty-one thousand, six hundred sixteen".