1742666628166 has 8 divisors (see below), whose sum is σ = 2614006353744. Its totient is φ = 871331176920.

The previous prime is 1742666628163. The next prime is 1742666628217. The reversal of 1742666628166 is 6618266662471.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1742666628163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302551 + ... + 1891261.

It is an arithmetic number, because the mean of its divisors is an integer number (326750794218).

Almost surely, 2^{1742666628166} is an apocalyptic number.

1742666628166 is a deficient number, since it is larger than the sum of its proper divisors (871339725578).

1742666628166 is a wasteful number, since it uses less digits than its factorization.

1742666628166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137166.

The product of its digits is 41803776, while the sum is 61.

The spelling of 1742666628166 in words is "one trillion, seven hundred forty-two billion, six hundred sixty-six million, six hundred twenty-eight thousand, one hundred sixty-six".