66867534601 has 8 divisors (see below), whose sum is σ = 77340763584. Its totient is φ = 56624486640.

The previous prime is 66867534583. The next prime is 66867534607. The reversal of 66867534601 is 10643576866.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66867534601 - 2²⁹ = 66330663689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66867534607) 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 7 ways as a sum of consecutive naturals, for example, 57544630 + ... + 57545791.

It is an arithmetic number, because the mean of its divisors is an integer number (9667595448).

Almost surely, 2^66867534601 is an apocalyptic number.

It is an amenable number.

66867534601 is a deficient number, since it is larger than the sum of its proper divisors (10473228983).

66867534601 is a wasteful number, since it uses less digits than its factorization.

66867534601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115090511.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 66867534601 in words is "sixty-six billion, eight hundred sixty-seven million, five hundred thirty-four thousand, six hundred one".