166840485007 has 8 divisors (see below), whose sum is σ = 190677574656. Its totient is φ = 143004079032.

The previous prime is 166840484957. The next prime is 166840485037. The reversal of 166840485007 is 700584048661.

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 166840485007 - 2¹⁵ = 166840452239 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 (166840485037) 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, 560958 + ... + 805204.

It is an arithmetic number, because the mean of its divisors is an integer number (23834696832).

Almost surely, 2^166840485007 is an apocalyptic number.

166840485007 is a deficient number, since it is larger than the sum of its proper divisors (23837089649).

166840485007 is an equidigital number, since it uses as much as digits as its factorization.

166840485007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341837.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 166840485007 in words is "one hundred sixty-six billion, eight hundred forty million, four hundred eighty-five thousand, seven".