16556064346157 has 16 divisors (see below), whose sum is σ = 19278484088832. Its totient is φ = 13922968849920.

The previous prime is 16556064346039. The next prime is 16556064346177. The reversal of 16556064346157 is 75164346065561.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16556064346157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16556064346096 and 16556064346105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16556064346177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31257908 + ... + 31783154.

It is an arithmetic number, because the mean of its divisors is an integer number (1204905255552).

Almost surely, 2^{16556064346157} is an apocalyptic number.

It is an amenable number.

16556064346157 is a deficient number, since it is larger than the sum of its proper divisors (2722419742675).

16556064346157 is an equidigital number, since it uses as much as digits as its factorization.

16556064346157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610268.

The product of its (nonzero) digits is 54432000, while the sum is 59.

The spelling of 16556064346157 in words is "sixteen trillion, five hundred fifty-six billion, sixty-four million, three hundred forty-six thousand, one hundred fifty-seven".