1566650243353 has 32 divisors (see below), whose sum is σ = 1749453995520. Its totient is φ = 1393541210880.

The previous prime is 1566650243321. The next prime is 1566650243357. The reversal of 1566650243353 is 3533420566651.

It is not a de Polignac number, because 1566650243353 - 2⁵ = 1566650243321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1566650243297 and 1566650243306.

It is not an unprimeable number, because it can be changed into a prime (1566650243357) 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 31 ways as a sum of consecutive naturals, for example, 32048176 + ... + 32097022.

It is an arithmetic number, because the mean of its divisors is an integer number (54670437360).

Almost surely, 2^{1566650243353} is an apocalyptic number.

1566650243353 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1566650243353 is a deficient number, since it is larger than the sum of its proper divisors (182803752167).

1566650243353 is a wasteful number, since it uses less digits than its factorization.

1566650243353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49537.

The product of its (nonzero) digits is 5832000, while the sum is 49.

The spelling of 1566650243353 in words is "one trillion, five hundred sixty-six billion, six hundred fifty million, two hundred forty-three thousand, three hundred fifty-three".