266664100670 has 64 divisors (see below), whose sum is σ = 530138939904. Its totient is φ = 95764533120.

The previous prime is 266664100627. The next prime is 266664100687. The reversal of 266664100670 is 76001466662.

It is a super-2 number, since 2×266664100670² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41839604 + ... + 41845976.

It is an arithmetic number, because the mean of its divisors is an integer number (8283420936).

Almost surely, 2^266664100670 is an apocalyptic number.

266664100670 is a deficient number, since it is larger than the sum of its proper divisors (263474839234).

266664100670 is a wasteful number, since it uses less digits than its factorization.

266664100670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11057.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 266664100670 in words is "two hundred sixty-six billion, six hundred sixty-four million, one hundred thousand, six hundred seventy".