66413049468 has 24 divisors (see below), whose sum is σ = 154985994240. Its totient is φ = 22134510000.

The previous prime is 66413049467. The next prime is 66413049481. The reversal of 66413049468 is 86494031466.

It is a self number, because there is not a number n which added to its sum of digits gives 66413049468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66413049467) 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, 308658 + ... + 477593.

It is an arithmetic number, because the mean of its divisors is an integer number (6457749760).

Almost surely, 2^66413049468 is an apocalyptic number.

It is an amenable number.

66413049468 is an abundant number, since it is smaller than the sum of its proper divisors (88572944772).

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

66413049468 is a wasteful number, since it uses less digits than its factorization.

66413049468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793297 (or 793295 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 66413049468 in words is "sixty-six billion, four hundred thirteen million, forty-nine thousand, four hundred sixty-eight".