1662627716166 has 16 divisors (see below), whose sum is σ = 3362617854000. Its totient is φ = 547982168448.

The previous prime is 1662627716161. The next prime is 1662627716201. The reversal of 1662627716166 is 6616177262661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662627716161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1556766991 + ... + 1556768058.

It is an arithmetic number, because the mean of its divisors is an integer number (210163615875).

Almost surely, 2^{1662627716166} is an apocalyptic number.

1662627716166 is an abundant number, since it is smaller than the sum of its proper divisors (1699990137834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1662627716166 is a wasteful number, since it uses less digits than its factorization.

1662627716166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113535143.

The product of its digits is 9144576, while the sum is 57.

The spelling of 1662627716166 in words is "one trillion, six hundred sixty-two billion, six hundred twenty-seven million, seven hundred sixteen thousand, one hundred sixty-six".