66662 has 4 divisors (see below), whose sum is σ = 99996. Its totient is φ = 33330.

The previous prime is 66653. The next prime is 66683. The reversal of 66662 is 26666.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 9 and base 13.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16664 + ... + 16667.

It is an arithmetic number, because the mean of its divisors is an integer number (24999).

2⁶⁶⁶⁶² is an apocalyptic number.

66662 is a deficient number, since it is larger than the sum of its proper divisors (33334).

66662 is a wasteful number, since it uses less digits than its factorization.

66662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33333.

The product of its digits is 2592, while the sum is 26.

The square root of 66662 is about 258.1898526279. The cubic root of 66662 is about 40.5470671614.

The spelling of 66662 in words is "sixty-six thousand, six hundred sixty-two".