662042100 has 72 divisors (see below), whose sum is σ = 1920064608. Its totient is φ = 176124800.

The previous prime is 662042093. The next prime is 662042149. The reversal of 662042100 is 1240266.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135907 + ... + 140693.

It is an arithmetic number, because the mean of its divisors is an integer number (26667564).

Almost surely, 2^662042100 is an apocalyptic number.

662042100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662042100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (960032304).

662042100 is an abundant number, since it is smaller than the sum of its proper divisors (1258022508).

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

662042100 is a wasteful number, since it uses less digits than its factorization.

662042100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5265 (or 5258 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 662042100 is about 25730.1787790136. The cubic root of 662042100 is about 871.5558103709. Note that the first 3 decimals are identical.

Adding to 662042100 its reverse (1240266), we get a palindrome (663282366).

The spelling of 662042100 in words is "six hundred sixty-two million, forty-two thousand, one hundred".