66104326464 has 112 divisors (see below), whose sum is σ = 202024829376. Its totient is φ = 18853273600.

The previous prime is 66104326459. The next prime is 66104326469. The reversal of 66104326464 is 46462340166.

It is an interprime number because it is at equal distance from previous prime (66104326459) and next prime (66104326469).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66104326469) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 884667 + ... + 956474.

Almost surely, 2^66104326464 is an apocalyptic number.

66104326464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

66104326464 is an abundant number, since it is smaller than the sum of its proper divisors (135920502912).

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

66104326464 is a wasteful number, since it uses less digits than its factorization.

66104326464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841184 (or 1841174 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 66104326464 in words is "sixty-six billion, one hundred four million, three hundred twenty-six thousand, four hundred sixty-four".