166413 has 16 divisors (see below), whose sum is σ = 254016. Its totient is φ = 96000.

The previous prime is 166409. The next prime is 166417. The reversal of 166413 is 314661.

166413 is nontrivially palindromic in base 6.

It is an interprime number because it is at equal distance from previous prime (166409) and next prime (166417).

It is not a de Polignac number, because 166413 - 2² = 166409 is a prime.

It is a zygodrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 166413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538 + ... + 788.

It is an arithmetic number, because the mean of its divisors is an integer number (15876).

2¹⁶⁶⁴¹³ is an apocalyptic number.

166413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

166413 is a deficient number, since it is larger than the sum of its proper divisors (87603).

166413 is a wasteful number, since it uses less digits than its factorization.

166413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284.

The product of its digits is 432, while the sum is 21.

The square root of 166413 is about 407.9374952122. The cubic root of 166413 is about 55.0041870091.

The spelling of 166413 in words is "one hundred sixty-six thousand, four hundred thirteen".