16545730177012 has 12 divisors (see below), whose sum is σ = 29737596129220. Its totient is φ = 8049274140096.

The previous prime is 16545730176923. The next prime is 16545730177099. The reversal of 16545730177012 is 21077103754561.

It can be written as a sum of positive squares in 2 ways, for example, as 14914148029456 + 1631582147556 = 3861884^2 + 1277334^2 .

It is a super-2 number, since 2×16545730177012² (a number of 27 digits) contains 22 as substring.

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, 55897736937 + ... + 55897737232.

Almost surely, 2^{16545730177012} is an apocalyptic number.

It is an amenable number.

16545730177012 is a deficient number, since it is larger than the sum of its proper divisors (13191865952208).

16545730177012 is a wasteful number, since it uses less digits than its factorization.

16545730177012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111795474210 (or 111795474208 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 49.

The spelling of 16545730177012 in words is "sixteen trillion, five hundred forty-five billion, seven hundred thirty million, one hundred seventy-seven thousand, twelve".