2001416603 has 8 divisors (see below), whose sum is σ = 2025433440. Its totient is φ = 1977433920.

The previous prime is 2001416567. The next prime is 2001416653. The reversal of 2001416603 is 3066141002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2001416603 - 2⁶ = 2001416539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001416653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121013 + ... + 136553.

It is an arithmetic number, because the mean of its divisors is an integer number (253179180).

Almost surely, 2^2001416603 is an apocalyptic number.

2001416603 is a deficient number, since it is larger than the sum of its proper divisors (24016837).

2001416603 is a wasteful number, since it uses less digits than its factorization.

2001416603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17077.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2001416603 is about 44737.1948494762. The cubic root of 2001416603 is about 1260.2184476800.

Adding to 2001416603 its reverse (3066141002), we get a palindrome (5067557605).

The spelling of 2001416603 in words is "two billion, one million, four hundred sixteen thousand, six hundred three".