13455072016 has 45 divisors (see below), whose sum is σ = 26678906869. Its totient is φ = 6573725312.

The previous prime is 13455071951. The next prime is 13455072019. The reversal of 13455072016 is 61027055431.

The square root of 13455072016 is 115996.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 389667600 + 13065404416 = 19740^2 + 114304^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13455072019) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21806940 + ... + 21807556.

Almost surely, 2^13455072016 is an apocalyptic number.

13455072016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

13455072016 is the 115996-th square number.

It is an amenable number.

13455072016 is a deficient number, since it is larger than the sum of its proper divisors (13223834853).

13455072016 is an frugal number, since it uses more digits than its factorization.

13455072016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 13455072016 in words is "thirteen billion, four hundred fifty-five million, seventy-two thousand, sixteen".