16657467466664 has 16 divisors (see below), whose sum is σ = 31235819401620. Its totient is φ = 8327915626240.

The previous prime is 16657467466657. The next prime is 16657467466697. The reversal of 16657467466664 is 46666476475661.

It can be written as a sum of positive squares in 2 ways, for example, as 16655622076900 + 1845389764 = 4081130^2 + 42958^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16657467466591 and 16657467466600.

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, 102176849 + ... + 102339744.

Almost surely, 2^{16657467466664} is an apocalyptic number.

It is an amenable number.

16657467466664 is a deficient number, since it is larger than the sum of its proper divisors (14578351934956).

16657467466664 is a wasteful number, since it uses less digits than its factorization.

16657467466664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204526780 (or 204526776 counting only the distinct ones).

The product of its digits is 4389396480, while the sum is 74.

The spelling of 16657467466664 in words is "sixteen trillion, six hundred fifty-seven billion, four hundred sixty-seven million, four hundred sixty-six thousand, six hundred sixty-four".