28216604551454 has 8 divisors (see below), whose sum is σ = 46172625629688. Its totient is φ = 12825729341560.

The previous prime is 28216604551403. The next prime is 28216604551483. The reversal of 28216604551454 is 45415540661282.

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

It is a junction number, because it is equal to n+sod(n) for n = 28216604551396 and 28216604551405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641286467057 + ... + 641286467100.

It is an arithmetic number, because the mean of its divisors is an integer number (5771578203711).

Almost surely, 2^{28216604551454} is an apocalyptic number.

28216604551454 is a deficient number, since it is larger than the sum of its proper divisors (17956021078234).

28216604551454 is a wasteful number, since it uses less digits than its factorization.

28216604551454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282572934170.

The product of its (nonzero) digits is 9216000, while the sum is 53.

The spelling of 28216604551454 in words is "twenty-eight trillion, two hundred sixteen billion, six hundred four million, five hundred fifty-one thousand, four hundred fifty-four".