66124548683 has 4 divisors (see below), whose sum is σ = 66194374920. Its totient is φ = 66054722448.

The previous prime is 66124548649. The next prime is 66124548689. The reversal of 66124548683 is 38684542166.

66124548683 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66124548683 - 2¹⁶ = 66124483147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66124548689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34911698 + ... + 34913591.

It is an arithmetic number, because the mean of its divisors is an integer number (16548593730).

Almost surely, 2^66124548683 is an apocalyptic number.

66124548683 is a deficient number, since it is larger than the sum of its proper divisors (69826237).

66124548683 is an equidigital number, since it uses as much as digits as its factorization.

66124548683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69826236.

The product of its digits is 6635520, while the sum is 53.

The spelling of 66124548683 in words is "sixty-six billion, one hundred twenty-four million, five hundred forty-eight thousand, six hundred eighty-three".