351660 has 24 divisors (see below), whose sum is σ = 984816. Its totient is φ = 93760.

The previous prime is 351653. The next prime is 351661. The reversal of 351660 is 66153.

It is not an unprimeable number, because it can be changed into a prime (351661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2871 + ... + 2990.

It is an arithmetic number, because the mean of its divisors is an integer number (41034).

2³⁵¹⁶⁶⁰ is an apocalyptic number.

351660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

351660 is an abundant number, since it is smaller than the sum of its proper divisors (633156).

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

351660 is a wasteful number, since it uses less digits than its factorization.

351660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5873 (or 5871 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 351660 is about 593.0092748010. The cubic root of 351660 is about 70.5842260795.

The spelling of 351660 in words is "three hundred fifty-one thousand, six hundred sixty".