51829665696 has 60 divisors (see below), whose sum is σ = 152429614722. Its totient is φ = 17276554368.

The previous prime is 51829665689. The next prime is 51829665697. The reversal of 51829665696 is 69656692815.

51829665696 is a `hidden beast` number, since 5 + 1 + 8 + 2 + 9 + 66 + 569 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 46671553296 + 5158112400 = 216036^2 + 71820^2 .

It is not an unprimeable number, because it can be changed into a prime (51829665697) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9995415 + ... + 10000598.

Almost surely, 2^51829665696 is an apocalyptic number.

It is an amenable number.

51829665696 is an abundant number, since it is smaller than the sum of its proper divisors (100599949026).

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

51829665696 is a wasteful number, since it uses less digits than its factorization.

51829665696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19996035 (or 19996018 counting only the distinct ones).

The product of its digits is 41990400, while the sum is 63.

The spelling of 51829665696 in words is "fifty-one billion, eight hundred twenty-nine million, six hundred sixty-five thousand, six hundred ninety-six".