2720016403 has 8 divisors (see below), whose sum is σ = 2943134096. Its totient is φ = 2498882400.

The previous prime is 2720016389. The next prime is 2720016449. The reversal of 2720016403 is 3046100272.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2720016403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2720016493) 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, 493068 + ... + 498553.

It is an arithmetic number, because the mean of its divisors is an integer number (367891762).

Almost surely, 2^2720016403 is an apocalyptic number.

2720016403 is a deficient number, since it is larger than the sum of its proper divisors (223117693).

2720016403 is a wasteful number, since it uses less digits than its factorization.

2720016403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991845.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 2720016403 is about 52153.7764979680. The cubic root of 2720016403 is about 1395.9092153875.

Adding to 2720016403 its reverse (3046100272), we get a palindrome (5766116675).

The spelling of 2720016403 in words is "two billion, seven hundred twenty million, sixteen thousand, four hundred three".