662561122 has 16 divisors (see below), whose sum is σ = 1053086400. Its totient is φ = 311763600.

The previous prime is 662561117. The next prime is 662561197. The reversal of 662561122 is 221165266.

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, 51997 + ... + 63472.

It is an arithmetic number, because the mean of its divisors is an integer number (65817900).

Almost surely, 2^662561122 is an apocalyptic number.

662561122 is a deficient number, since it is larger than the sum of its proper divisors (390525278).

662561122 is a wasteful number, since it uses less digits than its factorization.

662561122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115641.

The product of its digits is 8640, while the sum is 31.

The square root of 662561122 is about 25740.2626637725. The cubic root of 662561122 is about 871.7835091229.

The spelling of 662561122 in words is "six hundred sixty-two million, five hundred sixty-one thousand, one hundred twenty-two".