66462226411 has 4 divisors (see below), whose sum is σ = 75956830192. Its totient is φ = 56967622632.

The previous prime is 66462226409. The next prime is 66462226417. The reversal of 66462226411 is 11462226466.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 66462226411 - 2¹ = 66462226409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66462226417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4747301880 + ... + 4747301893.

It is an arithmetic number, because the mean of its divisors is an integer number (18989207548).

Almost surely, 2^66462226411 is an apocalyptic number.

66462226411 is a deficient number, since it is larger than the sum of its proper divisors (9494603781).

66462226411 is an equidigital number, since it uses as much as digits as its factorization.

66462226411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9494603780.

The product of its digits is 165888, while the sum is 40.

Subtracting from 66462226411 its reverse (11462226466), we obtain a palindrome (54999999945).

The spelling of 66462226411 in words is "sixty-six billion, four hundred sixty-two million, two hundred twenty-six thousand, four hundred eleven".