65461043934 has 96 divisors (see below), whose sum is σ = 166748295168. Its totient is φ = 18297576000.

The previous prime is 65461043903. The next prime is 65461043971. The reversal of 65461043934 is 43934016456.

65461043934 is a `hidden beast` number, since 6 + 546 + 10 + 4 + 3 + 93 + 4 = 666.

It is a super-3 number, since 3×65461043934³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65461043934.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3880899 + ... + 3897729.

It is an arithmetic number, because the mean of its divisors is an integer number (1736961408).

Almost surely, 2^65461043934 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65461043934, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83374147584).

65461043934 is an abundant number, since it is smaller than the sum of its proper divisors (101287251234).

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

65461043934 is a wasteful number, since it uses less digits than its factorization.

65461043934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18374 (or 18371 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 65461043934 in words is "sixty-five billion, four hundred sixty-one million, forty-three thousand, nine hundred thirty-four".