351146216 has 16 divisors (see below), whose sum is σ = 658702500. Its totient is φ = 175492224.

The previous prime is 351146197. The next prime is 351146227. The reversal of 351146216 is 612641153.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 344102500 + 7043716 = 18550^2 + 2654^2 .

It is a super-2 number, since 2×351146216² = 246607330022237312, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10910 + ... + 28658.

Almost surely, 2^351146216 is an apocalyptic number.

It is an amenable number.

351146216 is a deficient number, since it is larger than the sum of its proper divisors (307556284).

351146216 is a wasteful number, since it uses less digits than its factorization.

351146216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20228 (or 20224 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 351146216 is about 18738.8958052496. The cubic root of 351146216 is about 705.4983422206.

Adding to 351146216 its reverse (612641153), we get a palindrome (963787369).

The spelling of 351146216 in words is "three hundred fifty-one million, one hundred forty-six thousand, two hundred sixteen".