65142220896 has 192 divisors, whose sum is σ = 195103339200. Its totient is φ = 21133209600.

The previous prime is 65142220877. The next prime is 65142220919. The reversal of 65142220896 is 69802224156.

65142220896 is a `hidden beast` number, since 6 + 514 + 22 + 20 + 8 + 96 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16328470 + ... + 16332458.

It is an arithmetic number, because the mean of its divisors is an integer number (1016163225).

Almost surely, 2^65142220896 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 65142220896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97551669600).

65142220896 is an abundant number, since it is smaller than the sum of its proper divisors (129961118304).

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

65142220896 is a wasteful number, since it uses less digits than its factorization.

65142220896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4510 (or 4496 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 65142220896 in words is "sixty-five billion, one hundred forty-two million, two hundred twenty thousand, eight hundred ninety-six".