1416640003 has 4 divisors (see below), whose sum is σ = 1416927168. Its totient is φ = 1416352840.

The previous prime is 1416639977. The next prime is 1416640007. The reversal of 1416640003 is 3000466141.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1416640003 - 2¹⁷ = 1416508931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1416640003.

It is not an unprimeable number, because it can be changed into a prime (1416640007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136051 + ... + 146092.

It is an arithmetic number, because the mean of its divisors is an integer number (354231792).

Almost surely, 2^1416640003 is an apocalyptic number.

1416640003 is a deficient number, since it is larger than the sum of its proper divisors (287165).

1416640003 is an equidigital number, since it uses as much as digits as its factorization.

1416640003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287164.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1416640003 is about 37638.2784276858. The cubic root of 1416640003 is about 1123.1036372471.

The spelling of 1416640003 in words is "one billion, four hundred sixteen million, six hundred forty thousand, three".