1012206610666 has 8 divisors (see below), whose sum is σ = 1518421621860. Its totient is φ = 506066070048.

The previous prime is 1012206610621. The next prime is 1012206610721. The reversal of 1012206610666 is 6660166022101.

It can be written as a sum of positive squares in 2 ways, for example, as 741932436025 + 270274174641 = 861355^2 + 519879^2 .

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

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, 18583651 + ... + 18638038.

Almost surely, 2^{1012206610666} is an apocalyptic number.

1012206610666 is a deficient number, since it is larger than the sum of its proper divisors (506215011194).

1012206610666 is a wasteful number, since it uses less digits than its factorization.

1012206610666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37235288.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 1012206610666 in words is "one trillion, twelve billion, two hundred six million, six hundred ten thousand, six hundred sixty-six".