351115660 has 48 divisors (see below), whose sum is σ = 847445760. Its totient is φ = 119701440.

The previous prime is 351115657. The next prime is 351115697. The reversal of 351115660 is 66511153.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18055 + ... + 32065.

It is an arithmetic number, because the mean of its divisors is an integer number (17655120).

Almost surely, 2^351115660 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 351115660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423722880).

351115660 is an abundant number, since it is smaller than the sum of its proper divisors (496330100).

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

351115660 is a wasteful number, since it uses less digits than its factorization.

351115660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14206 (or 14204 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 351115660 is about 18738.0804779999. The cubic root of 351115660 is about 705.4778779699.

The spelling of 351115660 in words is "three hundred fifty-one million, one hundred fifteen thousand, six hundred sixty".