16280890401 has 8 divisors (see below), whose sum is σ = 21708570240. Its totient is φ = 10853568752.

The previous prime is 16280890399. The next prime is 16280890433. The reversal of 16280890401 is 10409808261.

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 16280890401 - 2¹ = 16280890399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16280890401.

It is not an unprimeable number, because it can be changed into a prime (16280890001) 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, 45691 + ... + 186143.

It is an arithmetic number, because the mean of its divisors is an integer number (2713571280).

Almost surely, 2^16280890401 is an apocalyptic number.

It is an amenable number.

16280890401 is a deficient number, since it is larger than the sum of its proper divisors (5427679839).

16280890401 is a wasteful number, since it uses less digits than its factorization.

16280890401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179095.

The product of its (nonzero) digits is 27648, while the sum is 39.

The spelling of 16280890401 in words is "sixteen billion, two hundred eighty million, eight hundred ninety thousand, four hundred one".