66541464302 has 16 divisors (see below), whose sum is σ = 103125010560. Its totient is φ = 32181485112.

The previous prime is 66541464293. The next prime is 66541464323. The reversal of 66541464302 is 20346414566.

It is a self number, because there is not a number n which added to its sum of digits gives 66541464302.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3747152 + ... + 3764867.

It is an arithmetic number, because the mean of its divisors is an integer number (6445313160).

Almost surely, 2^66541464302 is an apocalyptic number.

66541464302 is a deficient number, since it is larger than the sum of its proper divisors (36583546258).

66541464302 is a wasteful number, since it uses less digits than its factorization.

66541464302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7512167.

The product of its (nonzero) digits is 414720, while the sum is 41.

Adding to 66541464302 its reverse (20346414566), we get a palindrome (86887878868).

The spelling of 66541464302 in words is "sixty-six billion, five hundred forty-one million, four hundred sixty-four thousand, three hundred two".