66413231466 has 16 divisors (see below), whose sum is σ = 135652558464. Its totient is φ = 21666727904.

The previous prime is 66413231461. The next prime is 66413231473.

66413231466 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (66413231461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117753675 + ... + 117754238.

It is an arithmetic number, because the mean of its divisors is an integer number (8478284904).

Almost surely, 2^66413231466 is an apocalyptic number.

66413231466 is an abundant number, since it is smaller than the sum of its proper divisors (69239326998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66413231466 is a wasteful number, since it uses less digits than its factorization.

66413231466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235507965.

The product of its digits is 373248, while the sum is 42.

The spelling of 66413231466 in words is "sixty-six billion, four hundred thirteen million, two hundred thirty-one thousand, four hundred sixty-six".