66652795347 has 32 divisors (see below), whose sum is σ = 91190271744. Its totient is φ = 43291248000.

The previous prime is 66652795333. The next prime is 66652795369. The reversal of 66652795347 is 74359725666.

It is not a de Polignac number, because 66652795347 - 2⁴ = 66652795331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66652795327) 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 31 ways as a sum of consecutive naturals, for example, 15074197 + ... + 15078617.

It is an arithmetic number, because the mean of its divisors is an integer number (2849695992).

Almost surely, 2^66652795347 is an apocalyptic number.

66652795347 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

66652795347 is a deficient number, since it is larger than the sum of its proper divisors (24537476397).

66652795347 is a wasteful number, since it uses less digits than its factorization.

66652795347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5299.

The product of its digits is 57153600, while the sum is 60.

The spelling of 66652795347 in words is "sixty-six billion, six hundred fifty-two million, seven hundred ninety-five thousand, three hundred forty-seven".