16551707357156 has 12 divisors (see below), whose sum is σ = 28965730152240. Its totient is φ = 8275784456520.

The previous prime is 16551707357089. The next prime is 16551707357167. The reversal of 16551707357156 is 65175370715561.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16551707357095 and 16551707357104.

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, 16765646 + ... + 17725413.

It is an arithmetic number, because the mean of its divisors is an integer number (2413810846020).

Almost surely, 2^{16551707357156} is an apocalyptic number.

It is an amenable number.

16551707357156 is a deficient number, since it is larger than the sum of its proper divisors (12414022795084).

16551707357156 is a wasteful number, since it uses less digits than its factorization.

16551707357156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34611034 (or 34611032 counting only the distinct ones).

The product of its (nonzero) digits is 23152500, while the sum is 59.

It can be divided in two parts, 16551 and 707357156, that added together give a palindrome (707373707).

The spelling of 16551707357156 in words is "sixteen trillion, five hundred fifty-one billion, seven hundred seven million, three hundred fifty-seven thousand, one hundred fifty-six".