64248782016057 has 16 divisors (see below), whose sum is σ = 88619459370240. Its totient is φ = 41355327992832.

The previous prime is 64248782016049. The next prime is 64248782016079. The reversal of 64248782016057 is 75061028784246.

It is not a de Polignac number, because 64248782016057 - 2³ = 64248782016049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64248782216057) 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, 16386393 + ... + 19925145.

It is an arithmetic number, because the mean of its divisors is an integer number (5538716210640).

Almost surely, 2^{64248782016057} is an apocalyptic number.

It is an amenable number.

64248782016057 is a deficient number, since it is larger than the sum of its proper divisors (24370677354183).

64248782016057 is a wasteful number, since it uses less digits than its factorization.

64248782016057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3747472.

The product of its (nonzero) digits is 36126720, while the sum is 60.

The spelling of 64248782016057 in words is "sixty-four trillion, two hundred forty-eight billion, seven hundred eighty-two million, sixteen thousand, fifty-seven".