16066460873401 has 9 divisors (see below), whose sum is σ = 16136649597999. Its totient is φ = 15996576180336.

The previous prime is 16066460873399. The next prime is 16066460873537. The reversal of 16066460873401 is 10437806466061.

The square root of 16066460873401 is 4008299.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3262773879225 + 12803686994176 = 1806315^2 + 3578224^2 .

It is not a de Polignac number, because 16066460873401 - 2¹ = 16066460873399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16066460871401) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 933925066 + ... + 933942268.

Almost surely, 2^{16066460873401} is an apocalyptic number.

16066460873401 is the 4008299-th square number.

16066460873401 is the 2004150-th centered octagonal number.

It is an amenable number.

16066460873401 is a deficient number, since it is larger than the sum of its proper divisors (70188724598).

16066460873401 is an frugal number, since it uses more digits than its factorization.

16066460873401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34872 (or 17436 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 16066460873401 in words is "sixteen trillion, sixty-six billion, four hundred sixty million, eight hundred seventy-three thousand, four hundred one".