66470534597 has 4 divisors (see below), whose sum is σ = 66735357696. Its totient is φ = 66205711500.

The previous prime is 66470534573. The next prime is 66470534609. The reversal of 66470534597 is 79543507466.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66470534597 - 2¹⁰ = 66470533573 is a prime.

It is a super-2 number, since 2×66470534597² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66470534527) 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, 132411173 + ... + 132411674.

It is an arithmetic number, because the mean of its divisors is an integer number (16683839424).

Almost surely, 2^66470534597 is an apocalyptic number.

It is an amenable number.

66470534597 is a deficient number, since it is larger than the sum of its proper divisors (264823099).

66470534597 is a wasteful number, since it uses less digits than its factorization.

66470534597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264823098.

The product of its (nonzero) digits is 19051200, while the sum is 56.

The spelling of 66470534597 in words is "sixty-six billion, four hundred seventy million, five hundred thirty-four thousand, five hundred ninety-seven".