351315616 has 48 divisors (see below), whose sum is σ = 725687424. Its totient is φ = 167098624.

The previous prime is 351315589. The next prime is 351315617. The reversal of 351315616 is 616513153.

It is not an unprimeable number, because it can be changed into a prime (351315617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143781 + ... + 146203.

It is an arithmetic number, because the mean of its divisors is an integer number (15118488).

Almost surely, 2^351315616 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 351315616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362843712).

351315616 is an abundant number, since it is smaller than the sum of its proper divisors (374371808).

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

351315616 is a wasteful number, since it uses less digits than its factorization.

351315616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653 (or 2645 counting only the distinct ones).

The product of its digits is 8100, while the sum is 31.

The square root of 351315616 is about 18743.4152704356. The cubic root of 351315616 is about 705.6117728474.

Adding to 351315616 its reverse (616513153), we get a palindrome (967828769).

The spelling of 351315616 in words is "three hundred fifty-one million, three hundred fifteen thousand, six hundred sixteen".