662164998 has 48 divisors (see below), whose sum is σ = 1489591488. Its totient is φ = 195980400.

The previous prime is 662164981. The next prime is 662165027. The reversal of 662164998 is 899461266.

It is a self number, because there is not a number n which added to its sum of digits gives 662164998.

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 23 ways as a sum of consecutive naturals, for example, 20613 + ... + 41823.

It is an arithmetic number, because the mean of its divisors is an integer number (31033156).

Almost surely, 2^662164998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662164998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (744795744).

662164998 is an abundant number, since it is smaller than the sum of its proper divisors (827426490).

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

662164998 is a wasteful number, since it uses less digits than its factorization.

662164998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21281 (or 21270 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The square root of 662164998 is about 25732.5668754596. The cubic root of 662164998 is about 871.6097373738.

The spelling of 662164998 in words is "six hundred sixty-two million, one hundred sixty-four thousand, nine hundred ninety-eight".