3215141516 has 18 divisors (see below), whose sum is σ = 5723412660. Its totient is φ = 1579895640.

The previous prime is 3215141497. The next prime is 3215141543. The reversal of 3215141516 is 6151415123.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 869231 + ... + 872921.

It is an arithmetic number, because the mean of its divisors is an integer number (317967370).

Almost surely, 2^3215141516 is an apocalyptic number.

It is an amenable number.

3215141516 is a deficient number, since it is larger than the sum of its proper divisors (2508271144).

3215141516 is an frugal number, since it uses more digits than its factorization.

3215141516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7445 (or 3752 counting only the distinct ones).

The product of its digits is 3600, while the sum is 29.

The square root of 3215141516 is about 56702.2179107661. The cubic root of 3215141516 is about 1475.9331857496.

Adding to 3215141516 its reverse (6151415123), we get a palindrome (9366556639).

The spelling of 3215141516 in words is "three billion, two hundred fifteen million, one hundred forty-one thousand, five hundred sixteen".