16055200720 has 40 divisors (see below), whose sum is σ = 40199755176. Its totient is φ = 5928073728.

The previous prime is 16055200703. The next prime is 16055200729. The reversal of 16055200720 is 2700255061.

It can be written as a sum of positive squares in 4 ways, for example, as 358117776 + 15697082944 = 18924^2 + 125288^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16055200729) 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, 7717807 + ... + 7719886.

Almost surely, 2^16055200720 is an apocalyptic number.

16055200720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16055200720 is an abundant number, since it is smaller than the sum of its proper divisors (24144554456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16055200720 is a wasteful number, since it uses less digits than its factorization.

16055200720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15437719 (or 15437713 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

Adding to 16055200720 its reverse (2700255061), we get a palindrome (18755455781).

The spelling of 16055200720 in words is "sixteen billion, fifty-five million, two hundred thousand, seven hundred twenty".