166481419 has 8 divisors (see below), whose sum is σ = 179453792. Its totient is φ = 153532800.

The previous prime is 166481417. The next prime is 166481449. The reversal of 166481419 is 914184661.

166481419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 166481419 - 2¹ = 166481417 is a prime.

It is a super-2 number, since 2×166481419² = 55432125744507122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166481411) 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, 10282 + ... + 20944.

It is an arithmetic number, because the mean of its divisors is an integer number (22431724).

Almost surely, 2^166481419 is an apocalyptic number.

166481419 is a deficient number, since it is larger than the sum of its proper divisors (12972373).

166481419 is a wasteful number, since it uses less digits than its factorization.

166481419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11877.

The product of its digits is 41472, while the sum is 40.

The square root of 166481419 is about 12902.7678813501. The cubic root of 166481419 is about 550.1172411221.

The spelling of 166481419 in words is "one hundred sixty-six million, four hundred eighty-one thousand, four hundred nineteen".