355641660 has 144 divisors (see below), whose sum is σ = 1199409120. Its totient is φ = 84564480.

The previous prime is 355641653. The next prime is 355641661. The reversal of 355641660 is 66146553.

355641660 is a `hidden beast` number, since 3 + 5 + 5 + 641 + 6 + 6 + 0 = 666.

355641660 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 (355641661) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 103246 + ... + 106634.

It is an arithmetic number, because the mean of its divisors is an integer number (8329230).

Almost surely, 2^355641660 is an apocalyptic number.

355641660 is a gapful number since it is divisible by the number (30) 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 355641660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599704560).

355641660 is an abundant number, since it is smaller than the sum of its proper divisors (843767460).

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

355641660 is a wasteful number, since it uses less digits than its factorization.

355641660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3468 (or 3463 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 355641660 is about 18858.4638822996. The cubic root of 355641660 is about 708.4962287721.

The spelling of 355641660 in words is "three hundred fifty-five million, six hundred forty-one thousand, six hundred sixty".