660902 has 12 divisors (see below), whose sum is σ = 1090068. Its totient is φ = 300300.

The previous prime is 660901. The next prime is 660917. The reversal of 660902 is 209066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1124 + ... + 1607.

It is an arithmetic number, because the mean of its divisors is an integer number (90839).

2⁶⁶⁰⁹⁰² is an apocalyptic number.

660902 is a deficient number, since it is larger than the sum of its proper divisors (429166).

660902 is a wasteful number, since it uses less digits than its factorization.

660902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755 (or 2744 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 660902 is about 812.9587935437. The cubic root of 660902 is about 87.1055222005.

Adding to 660902 its reverse (209066), we get a palindrome (869968).

The spelling of 660902 in words is "six hundred sixty thousand, nine hundred two".