966640885259 has 4 divisors (see below), whose sum is σ = 1104732440304. Its totient is φ = 828549330216.

The previous prime is 966640885207. The next prime is 966640885283. The reversal of 966640885259 is 952588046669.

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 966640885259 - 2³⁶ = 897921408523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (966640885459) 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, 69045777512 + ... + 69045777525.

It is an arithmetic number, because the mean of its divisors is an integer number (276183110076).

Almost surely, 2^966640885259 is an apocalyptic number.

966640885259 is a deficient number, since it is larger than the sum of its proper divisors (138091555045).

966640885259 is a wasteful number, since it uses less digits than its factorization.

966640885259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138091555044.

The product of its (nonzero) digits is 223948800, while the sum is 68.

The spelling of 966640885259 in words is "nine hundred sixty-six billion, six hundred forty million, eight hundred eighty-five thousand, two hundred fifty-nine".