66301840404345 has 128 divisors (see below), whose sum is σ = 131178530036736. Its totient is φ = 27846442745856.

The previous prime is 66301840404277. The next prime is 66301840404389. The reversal of 66301840404345 is 54340404810366.

It is not a de Polignac number, because 66301840404345 - 2²⁰ = 66301839355769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66301840404294 and 66301840404303.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 265297987 + ... + 265547783.

It is an arithmetic number, because the mean of its divisors is an integer number (1024832265912).

Almost surely, 2^{66301840404345} is an apocalyptic number.

66301840404345 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

66301840404345 is a deficient number, since it is larger than the sum of its proper divisors (64876689632391).

66301840404345 is a wasteful number, since it uses less digits than its factorization.

66301840404345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250739.

The product of its (nonzero) digits is 3317760, while the sum is 48.

The spelling of 66301840404345 in words is "sixty-six trillion, three hundred one billion, eight hundred forty million, four hundred four thousand, three hundred forty-five".