65801650232416 has 192 divisors, whose sum is σ = 151465113354240. Its totient is φ = 27553042022400.

The previous prime is 65801650232407. The next prime is 65801650232431. The reversal of 65801650232416 is 61423205610856.

It is a self number, because there is not a number n which added to its sum of digits gives 65801650232416.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27543594550 + ... + 27543596938.

It is an arithmetic number, because the mean of its divisors is an integer number (788880798720).

Almost surely, 2^{65801650232416} 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 65801650232416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75732556677120).

65801650232416 is an abundant number, since it is smaller than the sum of its proper divisors (85663463121824).

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

65801650232416 is a wasteful number, since it uses less digits than its factorization.

65801650232416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5877 (or 5869 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 65801650232416 in words is "sixty-five trillion, eight hundred one billion, six hundred fifty million, two hundred thirty-two thousand, four hundred sixteen".