16220051670516 has 12 divisors (see below), whose sum is σ = 37846787231232. Its totient is φ = 5406683890168.

The previous prime is 16220051670377. The next prime is 16220051670541. The reversal of 16220051670516 is 61507615002261.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 675835486260 + ... + 675835486283.

It is an arithmetic number, because the mean of its divisors is an integer number (3153898935936).

Almost surely, 2^{16220051670516} is an apocalyptic number.

It is an amenable number.

16220051670516 is an abundant number, since it is smaller than the sum of its proper divisors (21626735560716).

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

16220051670516 is a wasteful number, since it uses less digits than its factorization.

16220051670516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351670972550 (or 1351670972548 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

Adding to 16220051670516 its reverse (61507615002261), we get a palindrome (77727666672777).

The spelling of 16220051670516 in words is "sixteen trillion, two hundred twenty billion, fifty-one million, six hundred seventy thousand, five hundred sixteen".