66313661410 has 16 divisors (see below), whose sum is σ = 124554355776. Its totient is φ = 25372183408.

The previous prime is 66313661399. The next prime is 66313661441. The reversal of 66313661410 is 1416631366.

It is a self number, because there is not a number n which added to its sum of digits gives 66313661410.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 144159904 + ... + 144160363.

It is an arithmetic number, because the mean of its divisors is an integer number (7784647236).

Almost surely, 2^66313661410 is an apocalyptic number.

66313661410 is a deficient number, since it is larger than the sum of its proper divisors (58240694366).

66313661410 is a wasteful number, since it uses less digits than its factorization.

66313661410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288320297.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 66313661410 in words is "sixty-six billion, three hundred thirteen million, six hundred sixty-one thousand, four hundred ten".