2288016658645 has 8 divisors (see below), whose sum is σ = 2745684116280. Its totient is φ = 1830370576320.

The previous prime is 2288016658643. The next prime is 2288016658667. The reversal of 2288016658645 is 5468566108822.

It can be written as a sum of positive squares in 4 ways, for example, as 611463005521 + 1676553653124 = 781961^2 + 1294818^2 .

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

It is not a de Polignac number, because 2288016658645 - 2¹ = 2288016658643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2288016658643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5107386 + ... + 5537275.

It is an arithmetic number, because the mean of its divisors is an integer number (343210514535).

Almost surely, 2^{2288016658645} is an apocalyptic number.

It is an amenable number.

2288016658645 is a deficient number, since it is larger than the sum of its proper divisors (457667457635).

2288016658645 is a wasteful number, since it uses less digits than its factorization.

2288016658645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10687655.

The product of its (nonzero) digits is 44236800, while the sum is 61.

The spelling of 2288016658645 in words is "two trillion, two hundred eighty-eight billion, sixteen million, six hundred fifty-eight thousand, six hundred forty-five".