64735450126120 has 16 divisors (see below), whose sum is σ = 145654762783860. Its totient is φ = 25894180050432.

The previous prime is 64735450126103. The next prime is 64735450126163. The reversal of 64735450126120 is 2162105453746.

It can be written as a sum of positive squares in 2 ways, for example, as 64733320672804 + 2129453316 = 8045702^2 + 46146^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809193126537 + ... + 809193126616.

Almost surely, 2^{64735450126120} is an apocalyptic number.

It is an amenable number.

64735450126120 is an abundant number, since it is smaller than the sum of its proper divisors (80919312657740).

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

64735450126120 is a wasteful number, since it uses less digits than its factorization.

64735450126120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618386253164 (or 1618386253160 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

Adding to 64735450126120 its reverse (2162105453746), we get a palindrome (66897555579866).

The spelling of 64735450126120 in words is "sixty-four trillion, seven hundred thirty-five billion, four hundred fifty million, one hundred twenty-six thousand, one hundred twenty".