66113346053425 has 48 divisors (see below), whose sum is σ = 89609573102400. Its totient is φ = 47987702380800.

The previous prime is 66113346053353. The next prime is 66113346053459. The reversal of 66113346053425 is 52435064331166.

It is not a de Polignac number, because 66113346053425 - 2¹³ = 66113346045233 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1213752091 + ... + 1213806559.

It is an arithmetic number, because the mean of its divisors is an integer number (1866866106300).

Almost surely, 2^{66113346053425} is an apocalyptic number.

It is an amenable number.

66113346053425 is a deficient number, since it is larger than the sum of its proper divisors (23496227048975).

66113346053425 is a wasteful number, since it uses less digits than its factorization.

66113346053425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63106 (or 63101 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 49.

The spelling of 66113346053425 in words is "sixty-six trillion, one hundred thirteen billion, three hundred forty-six million, fifty-three thousand, four hundred twenty-five".