65445766754456 has 64 divisors (see below), whose sum is σ = 134171105477760. Its totient is φ = 29680367616000.

The previous prime is 65445766754453. The next prime is 65445766754479.

65445766754456 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65445766754453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315554711 + ... + 315762041.

It is an arithmetic number, because the mean of its divisors is an integer number (2096423523090).

Almost surely, 2^{65445766754456} is an apocalyptic number.

It is an amenable number.

65445766754456 is an abundant number, since it is smaller than the sum of its proper divisors (68725338723304).

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

65445766754456 is a wasteful number, since it uses less digits than its factorization.

65445766754456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215496 (or 215492 counting only the distinct ones).

The product of its digits is 10160640000, while the sum is 74.

The spelling of 65445766754456 in words is "sixty-five trillion, four hundred forty-five billion, seven hundred sixty-six million, seven hundred fifty-four thousand, four hundred fifty-six".