66354 has 8 divisors (see below), whose sum is σ = 132720. Its totient is φ = 22116.

The previous prime is 66347. The next prime is 66359. The reversal of 66354 is 45366.

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

66354 is an admirable number.

It is a d-powerful number, because it can be written as 6 + 6⁶ + 3⁹ + 5 + 4 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (66359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5524 + ... + 5535.

It is an arithmetic number, because the mean of its divisors is an integer number (16590).

2⁶⁶³⁵⁴ is an apocalyptic number.

66354 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66360).

66354 is a wasteful number, since it uses less digits than its factorization.

66354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11064.

The product of its digits is 2160, while the sum is 24.

The square root of 66354 is about 257.5927017600. The cubic root of 66354 is about 40.4845238842.

It can be divided in two parts, 663 and 54, that added together give a palindrome (717).

The spelling of 66354 in words is "sixty-six thousand, three hundred fifty-four".