16228812601 has 8 divisors (see below), whose sum is σ = 16561729800. Its totient is φ = 15899241600.

The previous prime is 16228812599. The next prime is 16228812619. The reversal of 16228812601 is 10621882261.

It can be written as a sum of positive squares in 4 ways, for example, as 970634025 + 15258178576 = 31155^2 + 123524^2 .

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 16228812601 - 2¹ = 16228812599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16228812631) 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, 826750 + ... + 846151.

It is an arithmetic number, because the mean of its divisors is an integer number (2070216225).

Almost surely, 2^16228812601 is an apocalyptic number.

It is an amenable number.

16228812601 is a deficient number, since it is larger than the sum of its proper divisors (332917199).

16228812601 is a wasteful number, since it uses less digits than its factorization.

16228812601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673099.

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 16228812601 in words is "sixteen billion, two hundred twenty-eight million, eight hundred twelve thousand, six hundred one".