1416666673 has 6 divisors (see below), whose sum is σ = 1424159282. Its totient is φ = 1409213280.

The previous prime is 1416666611. The next prime is 1416666683. The reversal of 1416666673 is 3766666141.

It can be written as a sum of positive squares in only one way, i.e., 1029639744 + 387026929 = 32088^2 + 19673^2 .

It is not a de Polignac number, because 1416666673 - 2²¹ = 1414569521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1416666683) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17065 + ... + 55897.

Almost surely, 2^1416666673 is an apocalyptic number.

It is an amenable number.

1416666673 is a deficient number, since it is larger than the sum of its proper divisors (7492609).

1416666673 is an frugal number, since it uses more digits than its factorization.

1416666673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39215 (or 39024 counting only the distinct ones).

The product of its digits is 653184, while the sum is 46.

The square root of 1416666673 is about 37638.6327195875. The cubic root of 1416666673 is about 1123.1106851412.

The spelling of 1416666673 in words is "one billion, four hundred sixteen million, six hundred sixty-six thousand, six hundred seventy-three".