65551610152602 has 72 divisors (see below), whose sum is σ = 165234935619936. Its totient is φ = 18726977125584.

The previous prime is 65551610152489. The next prime is 65551610152603. The reversal of 65551610152602 is 20625101615556.

It is a happy number.

65551610152602 is a `hidden beast` number, since 6 + 5 + 5 + 5 + 1 + 610 + 1 + 5 + 26 + 0 + 2 = 666.

65551610152602 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (65551610152603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3978493 + ... + 12121535.

It is an arithmetic number, because the mean of its divisors is an integer number (2294929661388).

Almost surely, 2^{65551610152602} is an apocalyptic number.

65551610152602 is an abundant number, since it is smaller than the sum of its proper divisors (99683325467334).

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

65551610152602 is a wasteful number, since it uses less digits than its factorization.

65551610152602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8152192 (or 8152182 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 45.

The spelling of 65551610152602 in words is "sixty-five trillion, five hundred fifty-one billion, six hundred ten million, one hundred fifty-two thousand, six hundred two".