6654228637237 has 4 divisors (see below), whose sum is σ = 6654270261996. Its totient is φ = 6654187012480.

The previous prime is 6654228637223. The next prime is 6654228637247. The reversal of 6654228637237 is 7327368224566.

6654228637237 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2338434289636 + 4315794347601 = 1529194^2 + 2077449^2 .

It is a cyclic number.

It is not a de Polignac number, because 6654228637237 - 2²⁷ = 6654094419509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6654228637247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20571658 + ... + 20892619.

It is an arithmetic number, because the mean of its divisors is an integer number (1663567565499).

Almost surely, 2^{6654228637237} is an apocalyptic number.

It is an amenable number.

6654228637237 is a deficient number, since it is larger than the sum of its proper divisors (41624759).

6654228637237 is a wasteful number, since it uses less digits than its factorization.

6654228637237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41624758.

The product of its digits is 121927680, while the sum is 61.

The spelling of 6654228637237 in words is "six trillion, six hundred fifty-four billion, two hundred twenty-eight million, six hundred thirty-seven thousand, two hundred thirty-seven".