1660211104166 has 8 divisors (see below), whose sum is σ = 2548230997224. Its totient is φ = 810800771760.

The previous prime is 1660211104151. The next prime is 1660211104183. The reversal of 1660211104166 is 6614011120661.

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

It is a congruent 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, 9652390055 + ... + 9652390226.

It is an arithmetic number, because the mean of its divisors is an integer number (318528874653).

Almost surely, 2^{1660211104166} is an apocalyptic number.

1660211104166 is a deficient number, since it is larger than the sum of its proper divisors (888019893058).

1660211104166 is a wasteful number, since it uses less digits than its factorization.

1660211104166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19304780326.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 1660211104166 in words is "one trillion, six hundred sixty billion, two hundred eleven million, one hundred four thousand, one hundred sixty-six".