1667870842226 has 8 divisors (see below), whose sum is σ = 2511106659180. Its totient is φ = 830835289168.

The previous prime is 1667870842219. The next prime is 1667870842259. The reversal of 1667870842226 is 6222480787661.

It can be written as a sum of positive squares in 2 ways, for example, as 1647436425625 + 20434416601 = 1283525^2 + 142949^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1550065301 + ... + 1550066376.

Almost surely, 2^{1667870842226} is an apocalyptic number.

1667870842226 is a deficient number, since it is larger than the sum of its proper divisors (843235816954).

1667870842226 is a wasteful number, since it uses less digits than its factorization.

1667870842226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3100131948.

The product of its (nonzero) digits is 21676032, while the sum is 59.

The spelling of 1667870842226 in words is "one trillion, six hundred sixty-seven billion, eight hundred seventy million, eight hundred forty-two thousand, two hundred twenty-six".