6466566223153 has 2 divisors, whose sum is σ = 6466566223154. Its totient is φ = 6466566223152.

The previous prime is 6466566223127. The next prime is 6466566223217. The reversal of 6466566223153 is 3513226656646.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5157113981184 + 1309452241969 = 2270928^2 + 1144313^2 .

It is a cyclic number.

It is not a de Polignac number, because 6466566223153 - 2³⁷ = 6329127269681 is a prime.

It is a super-2 number, since 2×6466566223153² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6466566223094 and 6466566223103.

It is not a weakly prime, because it can be changed into another prime (6466566223253) 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 as a sum of consecutive naturals, namely, 3233283111576 + 3233283111577.

It is an arithmetic number, because the mean of its divisors is an integer number (3233283111577).

Almost surely, 2^{6466566223153} is an apocalyptic number.

It is an amenable number.

6466566223153 is a deficient number, since it is larger than the sum of its proper divisors (1).

6466566223153 is an equidigital number, since it uses as much as digits as its factorization.

6466566223153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27993600, while the sum is 55.

The spelling of 6466566223153 in words is "six trillion, four hundred sixty-six billion, five hundred sixty-six million, two hundred twenty-three thousand, one hundred fifty-three".