65989063602 has 288 divisors, whose sum is σ = 182991384576. Its totient is φ = 16820939520.

The previous prime is 65989063561. The next prime is 65989063631. The reversal of 65989063602 is 20636098956.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 334969768 + ... + 334969964.

It is an arithmetic number, because the mean of its divisors is an integer number (635386752).

Almost surely, 2^65989063602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65989063602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91495692288).

65989063602 is an abundant number, since it is smaller than the sum of its proper divisors (117002320974).

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

65989063602 is a wasteful number, since it uses less digits than its factorization.

65989063602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 65989063602 in words is "sixty-five billion, nine hundred eighty-nine million, sixty-three thousand, six hundred two".