66570330047 has 16 divisors (see below), whose sum is σ = 73401159552. Its totient is φ = 59990388480.

The previous prime is 66570330023. The next prime is 66570330083. The reversal of 66570330047 is 74003307566.

It is a cyclic number.

It is not a de Polignac number, because 66570330047 - 2¹² = 66570325951 is a prime.

It is a super-2 number, since 2×66570330047² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66570329986 and 66570330013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66570330097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105347 + ... + 379787.

It is an arithmetic number, because the mean of its divisors is an integer number (4587572472).

Almost surely, 2^66570330047 is an apocalyptic number.

66570330047 is a deficient number, since it is larger than the sum of its proper divisors (6830829505).

66570330047 is a wasteful number, since it uses less digits than its factorization.

66570330047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274898.

The product of its (nonzero) digits is 317520, while the sum is 41.

The spelling of 66570330047 in words is "sixty-six billion, five hundred seventy million, three hundred thirty thousand, forty-seven".