166044395 has 8 divisors (see below), whose sum is σ = 217367280. Its totient is φ = 120759520.

The previous prime is 166044377. The next prime is 166044407. The reversal of 166044395 is 593440661.

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

It is not a de Polignac number, because 166044395 - 2⁶ = 166044331 is a prime.

It is a super-2 number, since 2×166044395² = 55141482221832050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1509440 + ... + 1509549.

It is an arithmetic number, because the mean of its divisors is an integer number (27170910).

Almost surely, 2^166044395 is an apocalyptic number.

166044395 is a deficient number, since it is larger than the sum of its proper divisors (51322885).

166044395 is a wasteful number, since it uses less digits than its factorization.

166044395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019005.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 166044395 is about 12885.8214716796. The cubic root of 166044395 is about 549.6354553999.

The spelling of 166044395 in words is "one hundred sixty-six million, forty-four thousand, three hundred ninety-five".