65402553104 has 60 divisors (see below), whose sum is σ = 145591223232. Its totient is φ = 27881171520.

The previous prime is 65402553089. The next prime is 65402553109. The reversal of 65402553104 is 40135520456.

It is not an unprimeable number, because it can be changed into a prime (65402553109) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4077869 + ... + 4093875.

Almost surely, 2^65402553104 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 65402553104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72795611616).

65402553104 is an abundant number, since it is smaller than the sum of its proper divisors (80188670128).

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

65402553104 is a wasteful number, since it uses less digits than its factorization.

65402553104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16404 (or 16207 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 65402553104 in words is "sixty-five billion, four hundred two million, five hundred fifty-three thousand, one hundred four".