66970560336527 has 4 divisors (see below), whose sum is σ = 69130900992576. Its totient is φ = 64810219680480.

The previous prime is 66970560336523. The next prime is 66970560336593. The reversal of 66970560336527 is 72563306507966.

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 66970560336527 - 2² = 66970560336523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66970560336523) 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, 1080170327978 + ... + 1080170328039.

It is an arithmetic number, because the mean of its divisors is an integer number (17282725248144).

Almost surely, 2^{66970560336527} is an apocalyptic number.

66970560336527 is a deficient number, since it is larger than the sum of its proper divisors (2160340656049).

66970560336527 is a wasteful number, since it uses less digits than its factorization.

66970560336527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160340656048.

The product of its (nonzero) digits is 257191200, while the sum is 65.

The spelling of 66970560336527 in words is "sixty-six trillion, nine hundred seventy billion, five hundred sixty million, three hundred thirty-six thousand, five hundred twenty-seven".