166382897 has 8 divisors (see below), whose sum is σ = 173746944. Its totient is φ = 159029728.

The previous prime is 166382873. The next prime is 166382899. The reversal of 166382897 is 798283661.

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

It is not a de Polignac number, because 166382897 - 2⁶ = 166382833 is a prime.

It is a super-2 number, since 2×166382897² = 55366536828225218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166382899) 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, 53528 + ... + 56550.

It is an arithmetic number, because the mean of its divisors is an integer number (21718368).

Almost surely, 2^166382897 is an apocalyptic number.

It is an amenable number.

166382897 is a deficient number, since it is larger than the sum of its proper divisors (7364047).

166382897 is a wasteful number, since it uses less digits than its factorization.

166382897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5439.

The product of its digits is 870912, while the sum is 50.

The square root of 166382897 is about 12898.9494533470. The cubic root of 166382897 is about 550.0087017907.

The spelling of 166382897 in words is "one hundred sixty-six million, three hundred eighty-two thousand, eight hundred ninety-seven".