166441798 has 8 divisors (see below), whose sum is σ = 264348792. Its totient is φ = 78325536.

The previous prime is 166441789. The next prime is 166441813. The reversal of 166441798 is 897144661.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2447640 + ... + 2447707.

It is an arithmetic number, because the mean of its divisors is an integer number (33043599).

Almost surely, 2^166441798 is an apocalyptic number.

166441798 is a deficient number, since it is larger than the sum of its proper divisors (97906994).

166441798 is a wasteful number, since it uses less digits than its factorization.

166441798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4895366.

The product of its digits is 290304, while the sum is 46.

The square root of 166441798 is about 12901.2324217495. The cubic root of 166441798 is about 550.0735967630.

The spelling of 166441798 in words is "one hundred sixty-six million, four hundred forty-one thousand, seven hundred ninety-eight".