65260654944 has 96 divisors (see below), whose sum is σ = 172270094976. Its totient is φ = 21631779840.

The previous prime is 65260654937. The next prime is 65260654951. The reversal of 65260654944 is 44945606256.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (65260654937) and next prime (65260654951).

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 28786099 + ... + 28788365.

It is an arithmetic number, because the mean of its divisors is an integer number (1794480156).

Almost surely, 2^65260654944 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 65260654944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86135047488).

65260654944 is an abundant number, since it is smaller than the sum of its proper divisors (107009440032).

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

65260654944 is a wasteful number, since it uses less digits than its factorization.

65260654944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828 (or 3820 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 51.

The spelling of 65260654944 in words is "sixty-five billion, two hundred sixty million, six hundred fifty-four thousand, nine hundred forty-four".