662655 has 16 divisors (see below), whose sum is σ = 1211904. Its totient is φ = 302880.

The previous prime is 662647. The next prime is 662657. The reversal of 662655 is 556266.

It is not a de Polignac number, because 662655 - 2³ = 662647 is a prime.

It is a super-2 number, since 2×662655² = 878223298050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3051 + ... + 3260.

It is an arithmetic number, because the mean of its divisors is an integer number (75744).

2⁶⁶²⁶⁵⁵ is an apocalyptic number.

662655 is a deficient number, since it is larger than the sum of its proper divisors (549249).

662655 is a wasteful number, since it uses less digits than its factorization.

662655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6326.

The product of its digits is 10800, while the sum is 30.

The square root of 662655 is about 814.0362399795. The cubic root of 662655 is about 87.1824681388.

The spelling of 662655 in words is "six hundred sixty-two thousand, six hundred fifty-five".