16556142512306 has 96 divisors (see below), whose sum is σ = 27107439512832. Its totient is φ = 7579315860480.

The previous prime is 16556142512249. The next prime is 16556142512311. The reversal of 16556142512306 is 60321524165561.

It is a happy number.

It is a super-2 number, since 2×16556142512306² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2153780795 + ... + 2153788481.

It is an arithmetic number, because the mean of its divisors is an integer number (282369161592).

Almost surely, 2^{16556142512306} is an apocalyptic number.

16556142512306 is a deficient number, since it is larger than the sum of its proper divisors (10551297000526).

16556142512306 is a wasteful number, since it uses less digits than its factorization.

16556142512306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8364 (or 8347 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 47.

Adding to 16556142512306 its reverse (60321524165561), we get a palindrome (76877666677867).

The spelling of 16556142512306 in words is "sixteen trillion, five hundred fifty-six billion, one hundred forty-two million, five hundred twelve thousand, three hundred six".