1406406566073 has 16 divisors (see below), whose sum is σ = 1920625920000. Its totient is φ = 915010776336.

The previous prime is 1406406566069. The next prime is 1406406566077. The reversal of 1406406566073 is 3706656046041.

It is an interprime number because it is at equal distance from previous prime (1406406566069) and next prime (1406406566077).

It is not a de Polignac number, because 1406406566073 - 2² = 1406406566069 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1406406566077) 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, 14323573 + ... + 14421426.

It is an arithmetic number, because the mean of its divisors is an integer number (120039120000).

Almost surely, 2^{1406406566073} is an apocalyptic number.

It is an amenable number.

1406406566073 is a deficient number, since it is larger than the sum of its proper divisors (514219353927).

1406406566073 is a wasteful number, since it uses less digits than its factorization.

1406406566073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28745396.

The product of its (nonzero) digits is 2177280, while the sum is 48.

The spelling of 1406406566073 in words is "one trillion, four hundred six billion, four hundred six million, five hundred sixty-six thousand, seventy-three".