166416467677 has 8 divisors (see below), whose sum is σ = 176319896256. Its totient is φ = 156525730752.

The previous prime is 166416467627. The next prime is 166416467713. The reversal of 166416467677 is 776764614661.

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

It is a cyclic number.

It is not a de Polignac number, because 166416467677 - 2¹⁵ = 166416434909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166416467627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3145903 + ... + 3198364.

It is an arithmetic number, because the mean of its divisors is an integer number (22039987032).

Almost surely, 2^166416467677 is an apocalyptic number.

166416467677 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

166416467677 is a deficient number, since it is larger than the sum of its proper divisors (9903428579).

166416467677 is a wasteful number, since it uses less digits than its factorization.

166416467677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6345827.

The product of its digits is 42674688, while the sum is 61.

The spelling of 166416467677 in words is "one hundred sixty-six billion, four hundred sixteen million, four hundred sixty-seven thousand, six hundred seventy-seven".