66756138482 has 16 divisors (see below), whose sum is σ = 112761103104. Its totient is φ = 29364870000.

The previous prime is 66756138467. The next prime is 66756138497. The reversal of 66756138482 is 28483165766.

It is an interprime number because it is at equal distance from previous prime (66756138467) and next prime (66756138497).

It is a super-2 number, since 2×66756138482² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48940769 + ... + 48942132.

It is an arithmetic number, because the mean of its divisors is an integer number (7047568944).

Almost surely, 2^66756138482 is an apocalyptic number.

66756138482 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

66756138482 is a deficient number, since it is larger than the sum of its proper divisors (46004964622).

66756138482 is a wasteful number, since it uses less digits than its factorization.

66756138482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97882945.

The product of its digits is 11612160, while the sum is 56.

The spelling of 66756138482 in words is "sixty-six billion, seven hundred fifty-six million, one hundred thirty-eight thousand, four hundred eighty-two".