66246054134 has 12 divisors (see below), whose sum is σ = 107600839956. Its totient is φ = 30575101752.

The previous prime is 66246054109. The next prime is 66246054139. The reversal of 66246054134 is 43145064266.

It is a junction number, because it is equal to n+sod(n) for n = 66246054091 and 66246054100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66246054139) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 97996784 + ... + 97997459.

It is an arithmetic number, because the mean of its divisors is an integer number (8966736663).

Almost surely, 2^66246054134 is an apocalyptic number.

66246054134 is a deficient number, since it is larger than the sum of its proper divisors (41354785822).

66246054134 is a wasteful number, since it uses less digits than its factorization.

66246054134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195994271 (or 195994258 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 66246054134 in words is "sixty-six billion, two hundred forty-six million, fifty-four thousand, one hundred thirty-four".