213463121516 has 12 divisors (see below), whose sum is σ = 373797054120. Its totient is φ = 106663963200.

The previous prime is 213463121507. The next prime is 213463121579. The reversal of 213463121516 is 615121364312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16892285 + ... + 16904916.

It is an arithmetic number, because the mean of its divisors is an integer number (31149754510).

Almost surely, 2^213463121516 is an apocalyptic number.

It is an amenable number.

213463121516 is a deficient number, since it is larger than the sum of its proper divisors (160333932604).

213463121516 is a wasteful number, since it uses less digits than its factorization.

213463121516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33798784 (or 33798782 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

Adding to 213463121516 its reverse (615121364312), we get a palindrome (828584485828).

The spelling of 213463121516 in words is "two hundred thirteen billion, four hundred sixty-three million, one hundred twenty-one thousand, five hundred sixteen".