662181048 has 128 divisors (see below), whose sum is σ = 1880064000. Its totient is φ = 215913600.

The previous prime is 662181043. The next prime is 662181053. The reversal of 662181048 is 840181266.

It is an interprime number because it is at equal distance from previous prime (662181043) and next prime (662181053).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662181043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2770513 + ... + 2770751.

It is an arithmetic number, because the mean of its divisors is an integer number (14688000).

Almost surely, 2^662181048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662181048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (940032000).

662181048 is an abundant number, since it is smaller than the sum of its proper divisors (1217882952).

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

662181048 is a wasteful number, since it uses less digits than its factorization.

662181048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 662181048 is about 25732.8787351901. The cubic root of 662181048 is about 871.6167795377.

The spelling of 662181048 in words is "six hundred sixty-two million, one hundred eighty-one thousand, forty-eight".