166384153 has 12 divisors (see below), whose sum is σ = 184176300. Its totient is φ = 149418432.

The previous prime is 166384133. The next prime is 166384177. The reversal of 166384153 is 351483661.

166384153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 33489369 + 132894784 = 5787^2 + 11528^2 .

It is not a de Polignac number, because 166384153 - 2¹³ = 166375961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166384133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13123 + ... + 22471.

It is an arithmetic number, because the mean of its divisors is an integer number (15348025).

Almost surely, 2^166384153 is an apocalyptic number.

166384153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

166384153 is a deficient number, since it is larger than the sum of its proper divisors (17792147).

166384153 is an equidigital number, since it uses as much as digits as its factorization.

166384153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9436 (or 9399 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 166384153 is about 12898.9981393905. The cubic root of 166384153 is about 550.0100857655.

The spelling of 166384153 in words is "one hundred sixty-six million, three hundred eighty-four thousand, one hundred fifty-three".