866165970248 has 32 divisors (see below), whose sum is σ = 1627961448960. Its totient is φ = 432043356480.

The previous prime is 866165970227. The next prime is 866165970277. The reversal of 866165970248 is 842079561668.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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, 17393561 + ... + 17443287.

It is an arithmetic number, because the mean of its divisors is an integer number (50873795280).

Almost surely, 2^866165970248 is an apocalyptic number.

It is an amenable number.

866165970248 is a deficient number, since it is larger than the sum of its proper divisors (761795478712).

866165970248 is a wasteful number, since it uses less digits than its factorization.

866165970248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54917 (or 54913 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 62.

The spelling of 866165970248 in words is "eight hundred sixty-six billion, one hundred sixty-five million, nine hundred seventy thousand, two hundred forty-eight".