66692 has 6 divisors (see below), whose sum is σ = 116718. Its totient is φ = 33344.

The previous prime is 66683. The next prime is 66697. The reversal of 66692 is 29666.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 65536 + 1156 = 256^2 + 34^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66697) by changing a digit.

66692 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8333 + ... + 8340.

It is an arithmetic number, because the mean of its divisors is an integer number (19453).

2⁶⁶⁶⁹² is an apocalyptic number.

It is an amenable number.

66692 is a deficient number, since it is larger than the sum of its proper divisors (50026).

66692 is a wasteful number, since it uses less digits than its factorization.

66692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16677 (or 16675 counting only the distinct ones).

The product of its digits is 3888, while the sum is 29.

The square root of 66692 is about 258.2479428766. The cubic root of 66692 is about 40.5531487351.

The spelling of 66692 in words is "sixty-six thousand, six hundred ninety-two".