166258382 has 12 divisors (see below), whose sum is σ = 255327840. Its totient is φ = 81194148.

The previous prime is 166258381. The next prime is 166258441. The reversal of 166258382 is 283852661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166258381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18782 + ... + 26177.

It is an arithmetic number, because the mean of its divisors is an integer number (21277320).

Almost surely, 2^166258382 is an apocalyptic number.

166258382 is a deficient number, since it is larger than the sum of its proper divisors (89069458).

166258382 is an equidigital number, since it uses as much as digits as its factorization.

166258382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45047 (or 45004 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 166258382 is about 12894.1219941491. The cubic root of 166258382 is about 549.8714652806.

The spelling of 166258382 in words is "one hundred sixty-six million, two hundred fifty-eight thousand, three hundred eighty-two".