662366420 has 24 divisors (see below), whose sum is σ = 1451447424. Its totient is φ = 253426976.

The previous prime is 662366401. The next prime is 662366431. The reversal of 662366420 is 24663266.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719504 + ... + 720423.

It is an arithmetic number, because the mean of its divisors is an integer number (60476976).

Almost surely, 2^662366420 is an apocalyptic number.

It is an amenable number.

662366420 is an abundant number, since it is smaller than the sum of its proper divisors (789081004).

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

662366420 is a wasteful number, since it uses less digits than its factorization.

662366420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439959 (or 1439957 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 662366420 is about 25736.4803343425. The cubic root of 662366420 is about 871.6981058716.

The spelling of 662366420 in words is "six hundred sixty-two million, three hundred sixty-six thousand, four hundred twenty".