66337284464 has 20 divisors (see below), whose sum is σ = 140212897080. Its totient is φ = 30153311040.

The previous prime is 66337284407. The next prime is 66337284469. The reversal of 66337284464 is 46448273366.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66337284469) 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, 188458019 + ... + 188458370.

It is an arithmetic number, because the mean of its divisors is an integer number (7010644854).

Almost surely, 2^66337284464 is an apocalyptic number.

It is an amenable number.

66337284464 is an abundant number, since it is smaller than the sum of its proper divisors (73875612616).

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

66337284464 is a wasteful number, since it uses less digits than its factorization.

66337284464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376916408 (or 376916402 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 53.

The spelling of 66337284464 in words is "sixty-six billion, three hundred thirty-seven million, two hundred eighty-four thousand, four hundred sixty-four".